The New Human Organ Discovered by Cancer Research

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  • čas přidán 29. 10. 2020
  • We may have found a new organ, thanks to Cancer therapy! Join us as Hank Green explains these new human body discoveries, plus a new look at how anxiety and depression affect the brain, thanks to marmosets!
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    Sources:
    New glands
    Valstar et al 2020 (www.sciencedirect.com/science...)
    Asfhar-Oromieh et al 2015 (establishes technique can be used for PET and that it detects salivary glands) jnm.snmjournals.org/content/56...
    Nulent et al 2018 (previous work done by the group that further confirms ability to see salivary glands in PET scans using PMSA) www.sciencedirect.com/science...
    Marmosets
    Alexander et al 2020 (dx.doi.org/10.1038/s41467-020-...)
    Image Sources:
    www.istockphoto.com/photo/com...
    www.istockphoto.com/vector/ad...
    www.istockphoto.com/photo/the...
    www.istockphoto.com/vector/4-...
    www.istockphoto.com/photo/hum...

Komentáře • 1,3K

  • @SciShow
    @SciShow  Před 3 lety +251

    SciShow is supported by Brilliant.org. Go to Brilliant.org/SciShow to get 20% off of an annual Premium subscription.

    • @jenhenthorne218086
      @jenhenthorne218086 Před 3 lety +1

      M..m MN mmmmllmlm.llm

    • @nostalgiaprincess
      @nostalgiaprincess Před 3 lety +3

      is it possible the stuff given to the marmosets made their heart rates increase CAUSING the anxiety symptoms?

    • @ethanharrydu
      @ethanharrydu Před 3 lety +1

      The real question is Hank still Muscle Hank?

    • @mhakoyMD
      @mhakoyMD Před 3 lety

      When I knew this organ though but it is kinda like the exaggerated Tubarial glands because it is found within the WALDEYER's ring anatomy (google that for non medical peoples)
      so yeah... maybe it's an old gland, i think it's new physiologically and not anatomically.

    • @alto7183
      @alto7183 Před 3 lety

      Lo interesante es que antes de vomitar el canal de sodio y potasio se abre y hace producir saliva de inmediato en abundancia, la razón por la que quizás no se encontraba este órgano nuevo es que, tenga que ver con estar entre nariz y garganta por lo que muestran, entonces sería cosa de ver en otros simios similitudes o si es solo de esta especie, además de su actividad antes del vómito y neurosensores que hagan de liberar esos químicos de alivio después de vomitar, creo pues saben más los biólogos y médicos, magos blancos, sugerencia y obvservaciones.

  • @sandrapearce5167
    @sandrapearce5167 Před 2 lety +2614

    My mother had surgery across that area in the 60's. After the surgery, her incision would leak every time she ate. Her doctors called it "her imagination ", and looked disdainfully at her every time she reported it. Until she died in 1997, every time she ate, she'd wipe her neck and say, "there goes my imagination!".
    This post is for you, Mom!💡❤

    • @BBZ9000
      @BBZ9000 Před 2 lety +481

      Doctors like to pretend to know it all. They dont, nobody does. I hope she still lived a happy life!

    • @_Iscream
      @_Iscream Před 2 lety +297

      Those doctors sound horrible.

    • @squishyushi
      @squishyushi Před 2 lety +138

      @@_Iscream honestly sound like most doctors I encounter

    • @_Iscream
      @_Iscream Před 2 lety +70

      @@squishyushi there are good ones, I promise

    • @heh2k
      @heh2k Před 2 lety +29

      It never healed? She had an open wound for decades?

  • @littlepomacanthid
    @littlepomacanthid Před 3 lety +1594

    Missed opportunity to say “gland new”

  • @dracon501
    @dracon501 Před 3 lety +5856

    Med students everywhere are sooooo happy to memorize a new bit of anatomy.....

    • @julystargaryen9452
      @julystargaryen9452 Před 3 lety +149

      Yaaaaaay *screams in NOOO*

    • @kaiceecrane3884
      @kaiceecrane3884 Před 3 lety +296

      The medical field is always being updated at such a fast rate you never stop learning and researching. It's part of the job

    • @Shigellosis
      @Shigellosis Před 3 lety +23

      I actually am

    • @masantonio8790
      @masantonio8790 Před 3 lety +18

      I'm ecstatic and I'm only in high school anat & phys.
      /s

    • @UrMom-qf6db
      @UrMom-qf6db Před 3 lety +18

      Even if u read like 1000 journal or article it's never gonna make u good in medical because it's always update and new article and journal keep published everyday

  • @zenismarit4790
    @zenismarit4790 Před 3 lety +236

    “So, what did you do at work today?”
    “I made uncomfortable amounts of eye contact with small monkeys and left.”

  • @mr2octavio
    @mr2octavio Před 3 lety +750

    Dude... I JUST bought a piano and you come up with a NEW organ?

  • @Bigfoot_With_Internet_Access
    @Bigfoot_With_Internet_Access Před 3 lety +2758

    How did you humans just now find another organ? I thought you guys would've noticed it by now

    • @feminico2613
      @feminico2613 Před 3 lety +460

      Enough human anatomy. Time for Bigfoot anatomy.
      Revs chainsaw*

    • @TheOne23_
      @TheOne23_ Před 3 lety +174

      Science is not a perfect art and some things functions are over looked

    • @Idkchangethislater
      @Idkchangethislater Před 3 lety +271

      Yeah pretty weird considering the amount of Surgeries and disected bodies etc

    • @dissonanceparadiddle
      @dissonanceparadiddle Před 3 lety +88

      Yeah.....I don't get how humans keep missing what's right in front of them

    • @therealcloroxbleach9408
      @therealcloroxbleach9408 Před 3 lety +32

      I love your videos. Think you could do a vid in the woods banging sticks on rocks?

  • @IWill_iTV
    @IWill_iTV Před 3 lety +696

    I just discovered there was a pizza store around my block that was there for 40 years. Its not brand new, its just newly discovered.

    • @jeots962
      @jeots962 Před 3 lety +5

      😆🤣😂😅😂🤣😆😆😆😁

    • @eljanrimsa5843
      @eljanrimsa5843 Před 3 lety +5

      Do they do a Piccante with anchovies?

    • @savvycraftings
      @savvycraftings Před 3 lety +4

      every one would be happy with that!

    • @jeots962
      @jeots962 Před 3 lety +3

      That was perfectly good laugh, and it still works for me. 🤣

    • @807pranavghandade8
      @807pranavghandade8 Před 3 lety

      Nice sarcasm

  • @dodgee_doo
    @dodgee_doo Před 3 lety +444

    My grandpa had surgery on his jaw/cheek/etc by his ear. After he was healed, where his sideburns would be would salivate while he was eating. It was wild. The doctors told him it's wasn't saliva because we supposedly didn't have salivary glands in that area. This makes so much sense.

    • @heikg
      @heikg Před 2 lety +23

      Another hint was in Yoga, where they were stressing that a liquid is dripping from your nasal cavity down to your stomach and you can collect it using Khecarī mudrā (pushing your tongue back and up your nasal cavity).

    • @AramatiPaz
      @AramatiPaz Před 2 lety +1

      I hope those doctors get this update.

    • @TheCerealArsonist
      @TheCerealArsonist Před 2 lety +1

      @@heikg why would you want to do that

    • @daphenomenalz4100
      @daphenomenalz4100 Před rokem

      @@heikg that's not yoga

  • @Vionbringer
    @Vionbringer Před 3 lety +1004

    Yay, more salivary glands.... said no dentist ever.

    • @crystalbell1598
      @crystalbell1598 Před 3 lety +3

      Lol

    • @BlueBaeChai
      @BlueBaeChai Před 3 lety +1

      Lmao

    • @askhowiknow5527
      @askhowiknow5527 Před 3 lety +59

      Less saliva = more caries...
      Depends on what kind of dentist you have...

    • @PaulSebastianM
      @PaulSebastianM Před 3 lety +6

      You're wrong. It's the opposite.

    • @TylerBaraby
      @TylerBaraby Před 3 lety +4

      I mean, awareness of a possible issue is the first step to addressing it. So I imagine dentists would be happy to learn of this.

  • @wendytube007
    @wendytube007 Před 3 lety +177

    My dad had a severe car accident and I had to have a lot of his face reconstructed. Not all of it worked out well as he always leaked saliva on the outside of his face right where this new gland is. People would often think he was sweating when he ate. No doctor could explained why he would leak there. I guess because they didn’t think there was a gland there.

    • @KhubaibKamran
      @KhubaibKamran Před 2 lety +5

      That must've been confusing. Also, wish your dad the best!

  • @megamangos7408
    @megamangos7408 Před 3 lety +757

    I love how slightly they basically brushed over the fact that the researchers were looking at prostate cancer and instead found something else in the throat. I mean yes, the scientist in me is happy we made a new discovery and we should investigate this more. But come on, the jokes you can make around the dissonance of this study is a gold mine!

    • @AJBAXTER7677
      @AJBAXTER7677 Před 3 lety +113

      Simple translation:
      "Looking at butt stuff led to throat stuff"
      More at 11
      Actually that puts a whole new social meaning on the study if you take part of what I said a certain way

    • @megamangos7408
      @megamangos7408 Před 3 lety +71

      @@AJBAXTER7677 Exactly. Again, there's a simple explanation for this study, buuuut: "Uhh doc, I'm pretty sure you're looking too far up in there."

    • @AJBAXTER7677
      @AJBAXTER7677 Před 3 lety +24

      @@megamangos7408 Yep 😂😂😂
      The beauty of science and language colliding

    • @ANTSEMUT1
      @ANTSEMUT1 Před 3 lety +9

      @@AJBAXTER7677 that sounds rather suggestive and dirty 🤣🤣🤣

    • @rayz9772
      @rayz9772 Před 2 lety +10

      The saliva glands do *technically* ejaculate so....

  • @100alexdel
    @100alexdel Před 3 lety +144

    New gland just dropped 🔥🔥

  • @Shigellosis
    @Shigellosis Před 3 lety +155

    It's shocking and yet fascinating how despite all the thorough cross-section radiology scans and elaborate anatomical dissections we are still discovering new macroscopic things in the body

  • @IceMetalPunk
    @IceMetalPunk Před 3 lety +1202

    As someone who is both a neuroscience/genetics geek and a sufferer of generalized anxiety disorder, I've always been highly interested in the neurological basis of mental disorders. I always thought it was hyperactivity of the amygdala that caused anxiety, so when I saw this video saying it was hyperactivity of the sgACC, my curiosity was piqued. I looked into some neuroanatomy and wouldn't you know it, the sgACC feeds directly into the amygdala. As an input!
    To borrow a term from my actual career as a software developer, this seems to suggest that anxiety disorders -- or at least GAD -- might be a case of GIGO: Garbage In, Garbage Out. In other words, the amygdala isn't the problem, it's just getting garbage input from the sgACC. Now I feel bad... all these years I've been angry at my amygdala, and the poor thing was trying its best and just working with bad data!

    • @cezarcatalin1406
      @cezarcatalin1406 Před 3 lety +42

      Actually, our brains are just neural networks built on some biological signal processor architecture.
      A formal mathematical approach in the field of “explainable AI” might be general enough for us to use in psychology (lmao).

    • @AJBAXTER7677
      @AJBAXTER7677 Před 3 lety +35

      @Afrodisiac It could be simple in the concepts of the universe, we just don't know where to even start. What we tend to consider as simple tends to be activities that we're just used to doing or have trained ourselves to do to the point where we gain confidence for the next time we deal with said problem. Figuring out how to make computers wasn't simple back in the day, but now we pump out smart devices like water. Finding out how the brain truly works could end up becoming like this, where once we truly find out, there's no turning back, and then progress only gets faster from there on out. Just a thought.

    • @turtle_goddess9522
      @turtle_goddess9522 Před 3 lety +13

      I wish I was smart enough to understand what this comment said...

    • @andeddoberubetto
      @andeddoberubetto Před 3 lety +10

      @@AJBAXTER7677 I might just be high, but that was elegantly put

    • @IceMetalPunk
      @IceMetalPunk Před 3 lety +68

      @@turtle_goddess9522 TL;DR: The amygdala processes fear, so anxiety is often linked to an overactive amygdala. The sgACC gives the amygdala some of its data to work with. So this research suggests that anxiety is a result of the sgACC giving the amygdala incorrect (hyperactive) data rather than a direct problem with amygdala itself.
      It's like if someone tells you there's a serial killer around the corner and you run away, only to find out that it was just a cat there. The problem isn't that YOU were chicken, it's that someone gave you bad information about how scary the situation was.

  • @Dogetheun
    @Dogetheun Před 3 lety +385

    “New organ”
    Sure can’t wait to see the price of it on the black market!

  • @HardcoreFanfictioner
    @HardcoreFanfictioner Před 3 lety +199

    I love it when Hank tells us there's a whole new part of the body that everyone up until now missed.

  • @yonatanbeer3475
    @yonatanbeer3475 Před 3 lety +665

    How did we not find this by opening people up?

    • @Dogetheun
      @Dogetheun Před 3 lety +104

      Probably ends up being destroyed or it’s not safe

    • @jonathans1759
      @jonathans1759 Před 3 lety +243

      Mostly you discover people are made of meat.

    • @shannonlove4328
      @shannonlove4328 Před 3 lety +346

      They found a muscle in the face a decade or so ago that has been missed for 500 years.
      They missed it because of the way centuries of doctors had been taught to open up the face because of the impediment of connective tissues. They found the muscle using what was essentially a bandsaw instead of a scalpel.
      Cutting into the body is hard and anatomist follow the same paths through tissues generation after generation.

    • @MiracleWinchester
      @MiracleWinchester Před 3 lety +12

      Maybe they weren't really good therapists then

    • @NastySasquatch
      @NastySasquatch Před 3 lety +84

      Probably dries up after death. Same way we missclassified the largest organ in the body forforever.

  • @Vociferous
    @Vociferous Před 3 lety +386

    Thank god for tracers, if we didn’t have them doctors would’ve been looking for tumors within us like a needle in a hay stack.

    • @davetoms1
      @davetoms1 Před 3 lety +54

      Or _with_ a needle in our hay stacks.
      ...that was awful, I'm sorry. I'll see myself out
      😅

    • @ChillingOut247
      @ChillingOut247 Před 3 lety +13

      @@davetoms1 It's so awful that it's brilliant.

    • @davetoms1
      @davetoms1 Před 3 lety +4

      @@ChillingOut247 🙏 🤓

    • @DoctorX17
      @DoctorX17 Před 3 lety +5

      @@davetoms1 You have earned 1000 internet points. Spend them wisely.

    • @davetoms1
      @davetoms1 Před 3 lety +7

      Thank you@@DoctorX17 ! I will do my best to spend them wisely and... oops! I just traded them for a World of Warcraft custom skin. Now my character has a Geordi Laforge visor! 😅

  • @delphinidin
    @delphinidin Před 2 lety +72

    They REALLY need a tracer for endometriosis. Right now, the only way to tell for sure if somebody has endometriosis is to open up their abdominal cavity and LOOK. It's medieval.
    EDIT: I googled it, and it looks like scientists are working on developing one!

  • @TheRealFlenuan
    @TheRealFlenuan Před 3 lety +38

    Too late to explore the world
    Too early to explore the stars
    Apparently just in time to explore obscure clusters of receptor cells in the human body

    • @gremlinlad3671
      @gremlinlad3671 Před 3 lety +3

      there’s still a bunch of world left to explore (looking at the ocean & below the surface - we still have yet to penetrate the earth’s crust!).

  • @eagledove9
    @eagledove9 Před 2 lety +9

    Since they're draped around the ear canal, that explains why your hearing gets altered when they are swollen, due to sickness, infection, allergies, food sensitivities, drugs, chemicals, whatever. They will narrow the hearing tube, which alters the sounds that you hear.

  • @vercality6170
    @vercality6170 Před 3 lety +30

    I'm studying voice performance. My professor was very excited about this and everyone in my voice studio studying under that professor says that the discovery has lead to breakthroughs in our lessons, me included.

    • @josephcrespo7822
      @josephcrespo7822 Před 3 lety +3

      Could you elaborate?

    • @NadDew
      @NadDew Před 3 lety

      Why??
      I mean it's not like they was sitting there waiting for us to discover them and flip the switch for it to start working 🤷‍♀️

    • @EdwinWiles
      @EdwinWiles Před 3 lety +8

      @@NadDew (Not a pro singer) Dry throat and trouble swallowing are problems for anyone trying to sing. Knowing this gland is critical for preventing that may affect how you deal with it. Just taking a drink of water won't last long enough for a full song.

    • @luthientinuviel9942
      @luthientinuviel9942 Před 2 lety +9

      @@josephcrespo7822 Classical singers (meaning those of us like OP who study voice in the context of classical music performance) usually take at least one course in which we study the anatomy and physiology of singing. Our teachers who have this knowledge teach us how to properly use our bodies down to the finest detail as well as avoid injury - the body is a singer’s instrument. Opera singers never use microphones or other artificial amplification, and have careers spanning actual decades. It isn’t all volume at all - we use the principles of acoustics to do that. Yes, acoustics as in the physics of sound! It’s actually a very involved process requiring many years of study to understand and develop such an intimate understanding of one’s body, and learn to control and manipulate the necessary parts to achieve this feat. Placement of resonance in the cavities of the head, shape of the mouth, position of the tongue, breath control - its kind of a lot!
      If those glands were affecting the shape of the pharyngeal space it could have a profound effect on the sound produced with the voice, because it alters the shape of and passage of air through that resonant space. A singer who doesn’t know about that might develop a bad habit that could at the least keep them from producing the needed resonance, and at worst cause damage to the body. Say those glands are getting in the way of the air stream because of illness or theirs are just a bit larger than most - a young singer might compensate by forcing too much air through the larynx, or over-lift the soft palate. It becomes a waste of energy, but also can cause muscle tension leading to injuries, or strain and overwork the vocal folds which can lead to development of scarring and nodules.
      Oh yeah, and we do all this while studying the phonetics of foreign languages so we don’t sound like the guys in Inglourious Basterds attempting to speak Italian while attempting to act out a dramatic story.

  • @feralhyaena
    @feralhyaena Před 2 lety +12

    So this might sound kinda sus but i actually kinda had a feeling this was already a thing just because when i eat some really strong tasting food like sour tastes, i actually get a bit of pain in that area when my mouth tries to salivate too quickly, so its actually super interesting to hear about this study!

  • @davidblakley6806
    @davidblakley6806 Před 3 lety +31

    i would have love to been in the room with them when they first saw it "What are those!!!"

  • @KishoreShenoy1994
    @KishoreShenoy1994 Před 3 lety +9

    As a person who has currently finished the fifth week of proton beam therapy on his salivary gland cancer, this is enlightening.

  • @thomashughes_teh
    @thomashughes_teh Před 3 lety +25

    Hiding right under their noses for thousands of years. Oh those Humans. So SIlly.

  • @christopherg2347
    @christopherg2347 Před 3 lety +63

    I think I kinda have "free floating anxiety".
    But it could also be just that stuff I did not dealt with, creates a sort of "background anxiety". Similar to how there is cosmic background radiation, there is this anxiety.

    • @Scotia__
      @Scotia__ Před 3 lety +6

      could be generalized anxiety disorder

  • @Tayenmadsen
    @Tayenmadsen Před 3 lety +32

    Funny that you included these topics together. I take a medication for anxiety and PTSD that causes chronic dry mouth 😂

  • @queenofdramatech
    @queenofdramatech Před 2 lety +31

    As someone who suffers from anxiety with depressive qualities, I googled where the sgacc was located in the brain. I find it funny that when I know I am having anxiety I can physically feel the anxiety/depression rolling down my head like someone is pulled a blind down from the top of my head across my forehead and back in towards the amygdala. Makes me wonder if the other parts of the brain are sending the signals down to the sgac and on to the amygdala and I'm more sensitive than others and can actually feel it going on......

    • @mystictheshapeshifter
      @mystictheshapeshifter Před rokem +1

      I’m autistic and I believe I have very sensitive interoception and I can feel stuff like that too!
      When I have anxiety or I’m getting pms I swear I can literally feel the hormones buzzing around in my brain! It’s such a weird sensation because I’m experiencing certain moods but I’m extremely aware of this physical sensation of the emotional hormones (or menstrual hormones) buzzing through my brain and my body and so it feels almost separate to me. Like they’re not /my/ emotions they’re just something that’s happening to me physically in my brain!

    • @queenofdramatech
      @queenofdramatech Před rokem

      @@mystictheshapeshifter Wow! Good to know I am not the only one who can feel that sort of stuff!

  • @verchojanskij
    @verchojanskij Před 3 lety +31

    0:42 Me after swimming in a very very cold lake,
    "We are missing the glands!!!"

  • @The_Horizon
    @The_Horizon Před 3 lety +30

    how did this take so long wtf

  • @henrahmagix
    @henrahmagix Před 3 lety +281

    VIDEO TOPIC: "Anxiety Brain"
    ME: I'm in this photo and I don't like it

  • @TheTexas1994
    @TheTexas1994 Před 3 lety +127

    Making eye contact for a full two minutes with anything sounds absolutely awful

    • @velicanmaria7772
      @velicanmaria7772 Před 3 lety +4

      aspie?

    • @heanstone1327
      @heanstone1327 Před 3 lety +5

      @gumshoesoul aspergenerner

    • @raerohan4241
      @raerohan4241 Před 3 lety +4

      @@velicanmaria7772 Even as a neurotypical that would be a very uncomfortable experience

    • @SteelsCrow
      @SteelsCrow Před 3 lety +3

      Take a deep gaze into the unknown.

    • @neoqwerty
      @neoqwerty Před 3 lety

      Two minutes of eye contact with a cat sounds lovely but that's about the only thing I can think of that uses extended eye contact and blinking while being stared at as a sign of affection.

  • @jasonchiu272
    @jasonchiu272 Před 3 lety +123

    He protecc
    He attacc
    But most importantly, he has depression, which is caused by sgACC

  • @dragonblade7273
    @dragonblade7273 Před 3 lety +61

    ive had a russian olive tree thorn go through this gland on my left side

  • @KingsleyIII
    @KingsleyIII Před 3 lety +8

    You could say that they are _gland new._

  • @fosterlewis7360
    @fosterlewis7360 Před 3 lety +55

    2 minutes marmoset-time has gotta be equivalent to like 3 hrs human-time. Add in eye contact from the impossibly-large ogre, and I bet there was lots of pooping had.
    Poor, twitchy little goblins. 😕 But hopefully their stressful experience will ultimately help lots of ppl.

    • @jeffreym68
      @jeffreym68 Před 3 lety +5

      I hope so. After a great 40 years, career, and marriage, I had an accident. After the surgery, meds, and treatment, I emerged with anxiety and depression so severe that I lost my job, relationships, and most of what's meaningful in life. What we're going through in COVID is how I've been ever since. Much as I want answers and a treatment, I don't want it at the cost of these innocent creatures.

    • @KNylen
      @KNylen Před 3 lety +1

      havent watched the vid yet and this gave me a stroke
      also have no idea what this gland has to do w marmosets and time but i guess ill know soon...

  • @ethanelmore696
    @ethanelmore696 Před 3 lety +5

    I struggle daily with anxiety, and yet I had no idea that free floating anxiety was a thing! Thank you guys so much for the awesome educational content, you've helped me immensely.

  • @twocvbloke
    @twocvbloke Před 3 lety +71

    Great, the "anxiety brain" has been found, now let's get some inhibitors for it and turn it off... :P

    • @megmenz3325
      @megmenz3325 Před 3 lety +3

      Lobotomy. Whatever part of my brain isn't working just take it out. It's worked well in the past

    • @raerohan4241
      @raerohan4241 Před 3 lety +1

      @@megmenz3325 It’s definitely not worked well in the past lol
      Edit: just occurred to me that you might have meant this as a joke. I’m still leaving my comment up though because people on the internet seriously believe in the weirdest things

    • @megmenz3325
      @megmenz3325 Před 3 lety

      @@raerohan4241 it was a joke lol I think we learned a hard lesson about fixing the brain through taking out parts of it. Only in very rare circumstances does it actually work

    • @peregrinegrace8570
      @peregrinegrace8570 Před 3 lety

      7 billion daft people with no fear ?
      You didn't think THAT through for long ..

    • @raerohan4241
      @raerohan4241 Před 3 lety

      @@peregrinegrace8570 Anxiety is not the same thing as fear, what are you talking about?

  • @WireMosasaur
    @WireMosasaur Před 3 lety +6

    gonna add "WE MISSED THE GLAAANDS!" to my list of random favourite scishow quotes now

  • @darkwisteria9120
    @darkwisteria9120 Před 3 lety +9

    I genuinely love how excited you get about this stuff, Hank. I wish I had that sort of zest for life 😂

  • @diogoandre756
    @diogoandre756 Před 3 lety +45

    Next episode: Scientists found a whole new heart...

    • @kushagr7132
      @kushagr7132 Před 3 lety +1

      🙄 too deep man

    • @EdwinWiles
      @EdwinWiles Před 3 lety +12

      Already happened (sort of). There is a set of blood vessels on the underside of each foot. They act as an auxiliary heart to pump blood from the legs back up into the body as you walk.

    • @diogoandre756
      @diogoandre756 Před 3 lety +2

      @@EdwinWiles That's very cool, I didn't know that

    • @jedvisaya7385
      @jedvisaya7385 Před 3 lety

      Whole

    • @voidofspaceandtime4684
      @voidofspaceandtime4684 Před 3 lety

      @@EdwinWiles so... what happens if you lose your feet? Are the wheelchair bound just screwed on this one? Or is it only necessary if you have the additional body mass?

  • @kaceesavage
    @kaceesavage Před 3 lety

    They were right in front of our ears this whole time!!!

  • @tyger449
    @tyger449 Před 3 lety

    My science teacher played your videos once a week as a treat all through highschool.and boy do you keep it interesting!

  • @minnymouse4753
    @minnymouse4753 Před 3 lety +33

    I think I felt those glands before they were scientifically discovered

    • @Gunth0r
      @Gunth0r Před 3 lety +14

      You're not supposed to put your fingers that deep.

    • @kenshiromilesvt.7037
      @kenshiromilesvt.7037 Před 3 lety +11

      @@Gunth0r who said it was fingers...

    • @felixh.974
      @felixh.974 Před 3 lety +11

      I think I have too! I’m not a scientist and I don’t claim to understand any of this, but I’ve always felt something in between my brain and my nasal airway when I had anxiety. It felt like a capsule that had a bit of liquid in it. Again, I’m not a scientist. This is just my subjective experience.

    • @NadDew
      @NadDew Před 3 lety +2

      @@kenshiromilesvt.7037 I don't know if you meant what I understand or i have dirty mind 🤣🤣🤣🤣🤣

    • @Gunth0r
      @Gunth0r Před 3 lety +4

      @@NadDew it's just you.

  • @funkyfreak97
    @funkyfreak97 Před 3 lety +4

    As someone who used to have chronic dry-mouth due to a sleep medication, it is really awful and does, in fact, negatively impact one's quality of life.

  • @everyone4352
    @everyone4352 Před 2 lety

    Glad the patch got here early, I was really looking forward to the new human buff!

  • @Infernoraptor
    @Infernoraptor Před 3 lety +2

    I only just learned about anhedonia about a week ago, which is a major issue for me. Good to know there's progress.

  • @ayato4105
    @ayato4105 Před 3 lety +81

    how have we lived this long not knowing this organ like wut???

    • @jessefigueroa2682
      @jessefigueroa2682 Před 3 lety +38

      This is like the third time in the past 5 years they discovered a new organ. I remember back in 2015ish, they found a new part of the eye called Dua's Layer. And a few years back they discovered the mesentery, which holds your intestines and other abdominal organs together. Additionally they only just realized that the appendix might have an important role in digestion (providing a home for your gut Flora in the event of them getting flushed out). Just got to keep looking!

    • @BlueBaeChai
      @BlueBaeChai Před 3 lety +1

      @@jessefigueroa2682 wow

    • @procrastinator41
      @procrastinator41 Před 3 lety +8

      Human body is a universe unto itself

    • @DiamondsRexpensive
      @DiamondsRexpensive Před 3 lety

      What anime is your pfp from?

    • @ayato4105
      @ayato4105 Před 3 lety +1

      @@DiamondsRexpensive ayato from Tokyo ghoul

  • @maxcovfefe
    @maxcovfefe Před 3 lety +8

    I wish SciShow would do an episode on cancer cures. "There's no cure for cancer" is an OUTDATED statement. We have cures for some kinds of cancers now, and people commonly don't seem to know this. I didn't even know until I was diagnosed. They were gonna "cure" it, but then they found my cancer had spread, so it's stage 4. I'm fine, they say I may be headed for remission. Chemo is also different nowadays. I take a daily oral pill for chemo. Cancer treatments have come a long way. LOL, one Trump supporter even said to me, "you'll be dead soon anyway," and I had to laugh because people live with some kinds of cancer longer than ever lately! Donating to medical research isn't the "waste of money" some people would have you think. They're ALWAYS making new discoveries!

    • @maxcovfefe
      @maxcovfefe Před 2 lety +2

      @@Raya-ir4tm Nothing, it was a supporter of his, not him.

  • @maragazh9993
    @maragazh9993 Před 2 lety +2

    New human update looks lit

  • @oiltoast3723
    @oiltoast3723 Před 3 lety +1

    Cool, cant wait to get it installed.

  • @teemum.9023
    @teemum.9023 Před 3 lety +3

    2:38 I took a Covid-19 test after having a day of 40 C fever in July. The test was after the fever dropped the next day and it was negative. The stick irritated so much that water started to leak instantly from that side eye.

  • @patrickmccurry1563
    @patrickmccurry1563 Před 3 lety +4

    Weirdly, I had never heard the term, "free floating anxiety". I've had it in crippling life destroying fashion for over 30 years. Every site and discussion about anxiety seems to discuss automatic thoughts and reasons which have no application to me. I bet I'd be a perfect test subject for this over activity theory.

  • @KitsukiiPlays
    @KitsukiiPlays Před 3 lety

    The information box at the left is “behind” Hank and, somehow, this makes me happy :)

  • @RosieTheRo
    @RosieTheRo Před 2 lety

    yo as someone with chronic dry mouth due to my anxiety meds this whole episode makes me feel more optimistic. also I've never heard the term "free-floating anxiety" before but holy heck that describes exactly what it feels like to me - thanks for helping me put that into words ❤

  • @mmmmmmolly
    @mmmmmmolly Před 3 lety +21

    Cool cool cool but how did doctors never found it before on xrays, pet scans, MRI, CT?

    • @viewsandrates
      @viewsandrates Před 3 lety +14

      Those mainly image bones or thick enough obvious to see tissues. They also didn't even know to look for something they didn't know existed.

    • @marietta5316
      @marietta5316 Před 3 lety +1

      Plausible Deniabililty - Insurance denies it even exists. MedSci has no idea how to fight it anyway. And You Can't SEE it.

    • @leogama3422
      @leogama3422 Před 3 lety +16

      Human soft tissues look like just a mix of fat and a reddish pink goo. If you don't have any clue that there's some kind of delicate structure there, you will miss (and probably distroy) it while dissecting.

  • @isabelab6851
    @isabelab6851 Před 3 lety +3

    As a Sjogrens patient new salivary glands are interesting as the autoimmune system attacks them

  • @VirgilSonofSparda
    @VirgilSonofSparda Před 2 lety

    Finally, I’ve been waiting years for this new update

  • @ashb8036
    @ashb8036 Před 3 lety

    Awesome! Thanks!

  • @yetinother
    @yetinother Před 3 lety +22

    Scientist says “I want you to go into the room and stare at the monkey for two minutes” ummm ok?

    • @gustavodutra3633
      @gustavodutra3633 Před 3 lety +4

      Monkey: **anxiety intensifies**

    • @jakezepeda1267
      @jakezepeda1267 Před 3 lety

      Maybe its a parallel study to see what vague and seemingly random tasks will do to person.

  • @Cobaeby
    @Cobaeby Před 3 lety +7

    I've been pulling saliva from back there forever, and ended up thinking thats where all my saliva comes from. Kinda weird that no one knew there were glands there

    • @NadDew
      @NadDew Před 3 lety +1

      The saliva in the back tasted bad and unclean not like the one under the tongue which taste like water to me
      I don't know if it just me or maybe I have chronic infection in the back of my mouth ??

    • @Cobaeby
      @Cobaeby Před 3 lety +2

      @@NadDew 😶😶😶Go to a doctor!! That's clearly not normal!

  • @goawaybrisney
    @goawaybrisney Před 3 lety

    *I hope more research has surfaced since this video on the anxiety brain stuff. As a person who’s been a Hypochondriac since I was 5, and I’m now 21. It’s not fun overreacting to every small thing and having full blown panic attacks when I’m in no REAL danger. My panicking can get so bad it makes my entire body hurt along with my mind just constantly racing. If they can find a way to deal with panic disorders/depression/OCD disorders and so on that would do wonders for some of us who’s fears/emotions are so debilitating it makes us unable to live our daily lives without overthinking and stressing everything.*

  • @matthewickman
    @matthewickman Před 2 lety

    I've really enjoyed SciShow since I started watching it.
    But, Hank, one of the things I really pike about you is that in all the SciShows I've watched, literally hundreds, you've only mentioned your authorship a few times? Two? I think that's so neat.
    Know what else is neat? You're a GREAT writer Mr. Green! Keep it up please, all of you.

  • @pierrevillemaire-brooks4247

    It would have been nice to get a full 3D image of the complete four sets of salivary glands to better grasp their relative positions and maybe figure part of their dynamic :-o

  • @gabemura3778
    @gabemura3778 Před 3 lety +4

    They just found out about these glands? I have had them this whole time.

    • @bluepacman13
      @bluepacman13 Před 3 lety +1

      Mandela Effect?

    • @Oyakinya-Izuki
      @Oyakinya-Izuki Před 3 lety

      @@bluepacman13 ear noises when you drink your own saliva or eat something maybe

  • @scottcameron174
    @scottcameron174 Před 3 lety

    As someone with anxiety this is extremely welcoming news.

  • @NightlySharade
    @NightlySharade Před 2 lety

    This is a game changer.... so psyched

  • @andrewralte4844
    @andrewralte4844 Před 3 lety +3

    So this is where i’d feel a tingle just before eating a very sour fruit or anticipating food when hungry.

    • @bradleywilliams7385
      @bradleywilliams7385 Před 3 lety

      I get a sharp pain under my tongue when I’m gonna eat spicy or sour food. I think we both need to drink more, our salivary glands must be having a hard time,

  • @flapjackslap3277
    @flapjackslap3277 Před 2 lety +3

    babe wake up new organ just dropped

  • @DeRien8
    @DeRien8 Před 3 lety

    I didn't realize that pair of glands hadn't been formally described. I can distinctly feel those get going along with the rest whenever I get tingle or almost pain from that sort of "mouth wake-up" feeling

  • @Avocado-yw4xb
    @Avocado-yw4xb Před 3 lety +1

    This made me happy for some reason

  • @Leo_Lionhart
    @Leo_Lionhart Před 3 lety +6

    So...it’s a set of salivary glands? Tubarial glands.
    Hmm. Interesting, perhaps it also explains why human babies can produce so much saliva like a komodo dragon and drip them everywhere! XD

  • @diwakarkoirala4879
    @diwakarkoirala4879 Před 3 lety +5

    A whole new set of salivary gland. Whoo whoo!
    Hold my Parotid, sublingual and submandibular with multiple buccal glands.

  • @LatherMaestro
    @LatherMaestro Před 3 lety

    I love all your videos, but this time the flow of information was insane !! I need to watch at 0,75 speed to enjoy it fully ;)

  • @RandomSignz
    @RandomSignz Před 3 lety +1

    Cheers love! The cavalry is here!

  • @ihcfn
    @ihcfn Před 3 lety +16

    Does under activation of SGACC cause the opposite effect in depression? Interested to know as it may explain some things in my life.

    • @faeriedragon348
      @faeriedragon348 Před 3 lety +1

      good question

    • @alisoncircus
      @alisoncircus Před 3 lety +3

      Since it's possible - and in fact quite common - to have both anxiety and depression at the same time, I doubt underactivation could be a significant trigger or contributing cause to depression. This does, however, explain why cognitive therapy works so well for anxiety for some people. We learn to override the indicators the sgACC is giving us, in the same way that a person can learn to ignore a steady noise or constant smell. It doesn't work at all for some people, of course, just as some are unable to ignore a constant sensory input. Humans are complex.

    • @leogama3422
      @leogama3422 Před 3 lety +8

      Depression isn't in any way "the opposite" of anxiety disorder. The other extreme of a depressed state would be the maniac state in bipolar affective disorder, but then again: this is yet another completely different condition that just happens to manifest similar symptoms during some periods of time.

    • @02woodc
      @02woodc Před 3 lety +1

      Inhibition of sgACC (area 25) reduces heart rate and reactivity to threats (like a snake) . This was work from the same lab as the one referenced in the video. www.pnas.org/content/114/20/E4075

    • @ihcfn
      @ihcfn Před 3 lety +1

      @@02woodc Thanks this is what I was after, lack of reaction to danger.

  • @jesushernandez-gw2qj
    @jesushernandez-gw2qj Před 3 lety +5

    This is pretty interesting 🧐, I wonder how many hidden things we have missed in our body.

  • @eriksonyw
    @eriksonyw Před 2 lety

    Thank you marmosets!

  • @charliepearce8767
    @charliepearce8767 Před 2 lety

    I had one under my jaw removed last year after 40 years of being blocked on and off , in the end becoming infected that warranted surgery.
    im so glad its gone !!

  • @uplink-on-yt
    @uplink-on-yt Před 3 lety +5

    A short while ago they found lymphatic vessels to the brain, now they found some salivary glands... Wonder what else has been missed.

  • @Kayenne54
    @Kayenne54 Před 2 lety +6

    Interesting. I've had dry mouth, a little swallowing and jaw movement difficulties, since getting Bell's Palsy on the left side of my face a long time ago (nerve pain from that also travelled down to just on my collarbone). I also had a perfectly good molar removed because of constant pain on that side. Suspecting that it was caused by nerve impingement or damage. Also had a weird hearing impairment from the Bell's Palsy, which significantly affected my recognition of people's voices over the phone, for some considerable time. I could hear what they were saying, but didn't have a clue who they were for the first minute or so, which didn't endear me to my then employers or any subsequent employer, who always insisted that I answer the phones (good phone manners and speaking voice lol). That has abated and is now improved somewhat, but now if someone has a strong accent or talks very quickly, my processing of what they're saying isn't optimal for that first minute...still sometimes have to get them to slow down or repeat. Ah well.

    • @pazamour
      @pazamour Před 2 lety +2

      Hey hun, I have been diagnosed with hemicrania continua after 10 years of trying to get a correct diagnosis. Have you ever heard of this condition? I was diagnosed with Bell's Palsy over and over again, but what happens for me is that the right side of my face "droops" like Bell's Palsy when my condition flares up. This is interesting to me, bc my condition flares up more bc of stressful situations and I have had and continue to have a very difficult life with lots of psychological and physical trauma. I'm diagnosed with PTSD, MDD and GAD as well. They treated me at the University of MN and the best thing that seemed to work for me was botox, CGRP meds and pain meds, although my insurance won't cover them all and it's a rare condition so there aren't many studies and even many Dr written appeals don't help. The best was CGRP though if I had to pick and I did get some pain meds through a pain clinic on the side but if I did botox I had to pay out of pocket. I'm actually pregnant right now and have to be off all of it, but it's actually not as bad right now. I was in a group on FB and pain levels do tend to go down during pregnancy thankGod, some days are still unbearable. Just thought you might wanna check it out if it fits you too. Take care.

    • @Kayenne54
      @Kayenne54 Před 2 lety +1

      @@pazamour Wow. You've been through a lot. I'll look into your suggested condition, if there's any info on it. A friend of mine was diagnosed with Myasthenia Gravis, and that seems very difficult to live with too (similar sounding effects on nerves and muscles of the face etc.) When she gets very stressed or overheated I've seen it hit her and it's mildly scary, just as a spectator, must be horrible to have it. Anything to do with the nervous system can generate a large amount of pain, so I hope they can find the best treatment for you soon. I hope all goes well with you and your new family. Thanks for taking the time to share your experiences.

  • @bradmitchell7182
    @bradmitchell7182 Před 3 lety

    Thanks

  • @pharmdiddy5120
    @pharmdiddy5120 Před 3 lety

    WOW - all around

  • @sapphicbees8339
    @sapphicbees8339 Před 3 lety +4

    Accidental science is the best science

  • @demonslayer4951
    @demonslayer4951 Před 2 lety +3

    What is sally berry glands?🤣😂

  • @rajendrakhanvilkar9362

    Great video

  • @Amitdas-gk2it
    @Amitdas-gk2it Před 3 lety

    TY💕

  • @wingtyger6096
    @wingtyger6096 Před 3 lety +9

    "we"? Finally my days watching youtube for hours are paying of

  • @crystalbell1598
    @crystalbell1598 Před 3 lety +4

    As a person who gets dry mouth a lot due to medicines....yay salivary glands.

  • @jayx8472
    @jayx8472 Před 3 lety

    thankyou

  • @reflexarc3420
    @reflexarc3420 Před 3 lety +1

    Seen the new discovery online!!

  • @xcaluhbration
    @xcaluhbration Před 3 lety +10

    Cancer Cells:
    "We may have found a new gland to infect" 🥳

  • @Alondro77
    @Alondro77 Před 3 lety +31

    FINALLY! These are the glands I've been trying to convince my otolaryngologist exist since I have an aggravating little tonsil stone that keeps rubbing against one of them and making it get inflamed!
    I've been like, "Dude, there's a gland here. I squeeze it and saliva comes out. It's a salivary gland."
    And he's like, "Nope! Literature says nothing there!"
    And this is why you cannot just blindly trust the 'experts'. They have blinders on the same as everyone else when they're stuck on dogma.
    Just remember: a mere 20 years ago, the best astronomers were still suggesting extrasolar planets were rare, and planets around multiple star systems and red dwarfs were highly unlikely. Now we know planets are EVERYWHERE!! And it's very rare to find a system WITHOUT planets! Red dwarfs may have the most planets of all! Terrestrial planets are as common as dirt itself! Multiple star system of even up to 4 stars could have planets in stable orbits!
    See, the science is NOT SET IN STONE. New discoveries can change EVERYTHING OVERNIGHT. When they try to convince you otherwise, it's a RELIGIOUS-type belief, and NOT a scientific one. There is one tenet of science the ideologists ignore: we must always allow for the chance the science is wrong.

    • @Kayenne54
      @Kayenne54 Před 2 lety +1

      Wait! I thought Science WAS a religion... lol. (joking...kind of, since people who are on the Science side definitely act like religious bigots at times).

    • @Alondro77
      @Alondro77 Před 2 lety

      @@Kayenne54 I was a research biologist for nearly 20 years. Believe me, the DOGMA of science actually GETS IN THE WAY of scientific progress far more often than most people realize. They DO NOT want to admit when they are dead wrong. I butted heads plenty of times and suggested things were BLEW APART the accepted theory, only to be proven RIGHT a few years later (such as my suggestion in 2000 that DNA-RNA triplexes were possible and had biological activity)

    • @SKOLAH
      @SKOLAH Před 2 lety

      Doctors do so love to be right. Even when they're wrong.

    • @SimoniousB
      @SimoniousB Před 2 lety +1

      I get what you say that science is wrong, simply because you can’t ‘prove’ anything right - that’s for the Arts (philosophy, religion etc.) A theory or hypotheses stands because it hasn’t been proven wrong. That doesn’t make it right, just neutral - it hasn’t been proved wrong. That doesn’t make science ‘weak’ it just helps prevent charlatans and allows for progress by peer review. Try telling that to a conservative, regardless of political leaning, who always believes they’re right. Ignorance is its own trap.

    • @Kayenne54
      @Kayenne54 Před 2 lety +1

      @@SimoniousB Ignorance and arrogance are two sides of the same coin. Agree with your summary btw.

  • @devinanthony5773
    @devinanthony5773 Před 3 lety

    I needed some new glands!

  • @Jessica-wn6xn
    @Jessica-wn6xn Před 3 lety

    Omgggg I suffer from dry mouth due to my medication, and it has ruined my gums and teeth. This is seriously amazing 😭

  • @eeek143
    @eeek143 Před 2 lety +3

    eyo new organ just dropped

  • @nathanj.2645
    @nathanj.2645 Před 3 lety

    Gonna attempt some percussive maintenance on my sgACC and see if I feel less anxious.

  • @makkosauce
    @makkosauce Před 3 lety +1

    Sweet new DLC for the Organ update