Why We Faint (When Other Animals Don't)
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- čas přidán 3. 05. 2021
- Humans are the only animals known to faint due to triggers like shock, fear, or pain; this is due to a combination of our massive brains and upright stance.
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To learn more about this topic, start your googling with these keywords:
"Fight or flight": an instinctive physiological response to a threatening situation that readies animals (including humans) to either resist forcibly or escape
Fainting: loss of consciousness caused by a temporary lack of oxygen to the brain, also known as “syncope.”
Vasovagal syncope: a type of fainting that happens when your body overreacts to an emotional trigger like being in danger, seeing blood, or even just hearing some shocking news.
Tonic immobility: an instinctive physiological response to a threatening situation that causes some animals to relax their muscles and “freeze” in place, sometimes causing them to fall over
Jump scare: a technique often used in horror films meant to scare the audience with a sudden change on screen, usually paired with a loud sound
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CREDITS
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Julián Gustavo Gómez | Script Writer, Narrator, and Director
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REFERENCES
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Alboni, Paolo, and Marco Alboni. "Origin and Evolution of the Vasovagal Reflex." Vasovagal Syncope. Springer, Cham, 2015. 3-17.
Alboni, P., Alboni, M. “Typical vasovagal syncope as a “defense mechanism” for the heart by contrasting sympathetic overactivity.” Clin Auton Res 27, 253-261 (2017). doi.org/10.1007/s10286-017-04...
Blanc, Jean-Jacques, Paolo Alboni, and David G. Benditt. "Vasovagal syncope in humans and protective reactions in animals." Ep Europace 17.3 (2015): 345-349.
Bracha, H., Bienvenu, O. & Person, D. “Evolution and fear-fainting.” Clin Auton Res 16, 299 (2006). doi.org/10.1007/s10286-006-03...
Buckey JC, Peshock RM, Blomqvist CG. “Deep venous contribution to hydrostatic blood volume change in the human leg.” Am J Cardiol. 1988 Sep 1;62(7):449-53. doi.org/10.1016/0002-9149(88)....
Furst, Branko. "The Effect of Gravity and Upright Posture on Circulation." The Heart and Circulation. Springer, Cham, 2020. 319-341.
Kozlowska K, Walker P, McLean L, Carrive P. “Fear and the Defense Cascade: Clinical Implications and Management.” Harv Rev Psychiatry. 2015 Jul-Aug;23(4):263-87. doi.org/10.1097/HRP.000000000....
Roelofs, Karin. "Freeze for action: neurobiological mechanisms in animal and human freezing." Philosophical Transactions of the Royal Society B: Biological Sciences 372.1718 (2017): 20160206.
Sheldon, Robert S., and Roopinder K. Sandhu. "The search for the genes of vasovagal syncope." Frontiers in cardiovascular medicine 6 (2019): 175.
Sun, Benjamin C., Jennifer A. Emond, and Carlos A. Camargo Jr. "Direct medical costs of syncope-related hospitalizations in the United States." The American journal of cardiology 95.5 (2005): 668-671.
van Dijk JG. “Fainting in animals.” Clin Auton Res. 2003 Aug;13(4):247-55. doi.org/10.1007/s10286-003-00.... - Věda a technologie
Conclusion: It's healthier to lie down in your bed
Hahahaha Yes
I must be very healthy.
Yes
Screw exersizing
Terms and conditions applied
Human: *scared*
Body: oh yeah this is big brain time!!
Brain: Mr stark I don't feel so good...
I want to be mad at this comment but I just cannot
Human: *falls*
Brain: I’m not quite dead yet
Words cannot describe how PERFECTthis meme is for this video
Wait? You never saw a dog ,a horse, a cat or a mouse faint?
That is strange because it happens.
Watching minute earth is like listening to a parent explain a question when I was young. Including the not funny but very funny dad jokes.
No jokes, please
@@donottrustanyonelol Alright, alright! Having fun with his children, dad's only KIDding.
opossum's faint
I love the jokes
"...not funny but very funny-"
Schrodinger's Quantum Joke.
I think "World domination is for the faint of heart" is an astounding quote. Really shows that even big weaknesses can go hand in hand with amazing strengths which I think is something people often forget.
Such an interesting quote
I think it's called called min-maxing.
@@onehairybuddha more like a trade off.
+20% -20% something else
@@D.KlWA-aG Isn't that what min-maxing is?
@@The_GuyWhoNeverUploadsAnything Dont that mean we all min maxing cause we got strengths and weaknesses?
What's my brain doing hogging up 20% of my blood flow when it's not working 95% of the time?
its browsing the internet for dumb memes
My condolences on your coma
It’s working... you breathe and your heart pumps blood. You digest food. You sleep and wake up again. Memory is just like the cherry on top.
@@chakrakhanesh it was a joke. He's not seriously suggesting that the brain is not working 95% of the time
@@aniruddhrao3489 I was joking when I cited Jurassic Park for medical advice 😂
Another Fact
You might feel dizzy
When you need to walk immediately after you get up from bed. (Not necessarily from sleep)
Because the same reason flow of blood will drop very low in very short time that our brain can adapt to.
So it is advisable to first sit first before leaving the bed in some hurry.
i never thought about this. so thats why this affects tall people more too?
@@kirtil5177 I don't know specifically about tall persons.
Neither i guess there is any study which i published only for the tall humans only.
But again It is advisable to sit for a second or so. Before getting up from bed after you have done laying down.
So is that why I get lots of thoughts when trying to sleep, because my heart is still pumping like Gravity's in the way?
2 bad i gotta dash downstairs to get to my distance learning, ill pass out when I join the meeting
No joke. My friend just received a concussion and stitches in the face when he fainted after getting up too fast.
So fainting goats will soon be our overlords.
@@lurking_silhouette5802 I know
@@lurking_silhouette5802 the baby ones faint afaik, they mostly grow out of it
goat simulator for the win
"Fainting" goats is actually a misnomer, because they don't actually faint. They have a genetic issue called myotonia congenita that causes their legs to stiffen when startled, and therefore fall over. They never lose consciousness.
@@MinuteEarth Doesn't mean they won't be our overlords
Decades ago I had a job drawing blood for research in chickens. One day I was about to draw blood on one chicken, and before I touched her with the needle I saw her head flop over onto the table while I was holding her. She had fainted at the sight of the needle. She recovered after a minute and I finished the phelbotomy without problem. So, my experience of one showed that at least once, it has happened in a chicken.
It would be interesting to see the results of the bloodwork, maybe something was off with her
Makes sense. Not a lotta brain in a chicken but they still have an upright stance with a lot of drumstick
Sure the chicken didn't doze off?
i had a Chicken as pet i mistakenly kicked it and it did pass out, i was so worried i had killed it, but it recovered and started following me for the whole day i was so freaking sad 😢
@@sayori3939wtf
If you are wondering about goats like I was, that's apparently a muscle spasm and not true syncope
Thanks. I was wondering why they never adresses that, considering they're literally called fainting goats.
@@elanorthefair1091 0:41
I have a friend with the same condition. In humans your muscles randomly refuse to work. It's called myotonia congenita, if you wanted to look it up.
How ironic that before I watched this video, I actually fainted in the shower due to standing too long in hot water.
Don't worry, feeling better now. Cool to know why that faint attack happened.
Now you can chill, knowing that it will be fine.
What??? What about the water bills???
@@thereza3 was in a college dorm. So no worries about water bills.
@@tinamai9237 Only about drowning.
@@lonestarr1490 nah. It was a shower stall, not a bathtub.
As someone who has suffered from syncope for years, a lot of things suddenly make a whole lot of sense. Idk why I never researched what caused it, but I'm glad I know now!
*cope*
@@davektrollindripthe3rd664what
I generally assume the answer to questions like this will have something to do with our giant brains being high-maintenance divas.
Well you're not wrong
Our brains are like a high risk-high reward situation, where we get the huge benefit of intelligence but need a lot more maintenance to keep our brains working
The more I learn about humans and our brains and bodies the more I have this nagging feeling that we should have spent another two million years evolving after developing bipedalism and such large brains and stuff before doing all this modern stuff.
Like, for a species with so many cool and rare traits, absolute bangers like ultramarathoning, social and cognitive savantism, sweating, tool usage, bipedalism, ability to throw stuff, etc, we also have a bunch of absolute 'worst of dragon's den compilation' traits like Ooh No Blood Gonna Fall Over syndrome.
Do I, as a member of the species who is currently In Charge Of Everything, really have to feel my hand get a bit like tingly and pins and needles-y if I hold it at my side and don't elevate it or move it for even like ten seconds? Why. Not good enough!
@@MarkusAldawn Fr lmao. I read somewhere that we evolved to be bipedal faster than our spines could catch up. Dunno how reliable the info is but it somewhat explains my chronic back pain lol.
@@crispest_npc that doesn't surprise me at all. who approved us for release. We clearly weren't done yet. Unbelievable.
Although I suppose the benefit of being this globe-spanning, massively intelligent species with so much free time outside survival that "build a massive triangle" is a hobby several thousand years old, is that the likelihood of somebody finding a way to fix our spines is much higher!
Person: *Scared*
Body: Let’s go horizontal!
Who said so? Every Pokemon faints
Lol😂
wait ur a pokemon lover too
Our bodies are so badly adapted to live as a whole.
It's amazing how we even survived
True
Our strengths have massively made up for our flaws.
Because club go *bonk* and mammoth goes _flop_
to be fair, humans have *big* brains so having additional traits are quite hard to sustain since it requires more energy
We evolved to walk upright yet have no traits to compensate the flaws it brought
So, to counteract fainting.... Just lay down as low as your heart when your head feels heavy.
And...
If your foot bleeds, foot it above head to slow it down.
You're welcome.
I've done it myself though. ✌️
Big brain problems rquiere big brain solutions
@@teotlcipactli7530 Thats a big brain pun. And I hate you for it
Or better, do a stand up on hands, give blood to that bastard 😤😂
Relax
Lay down
Elevate legs
@Fck Utube we only have that problem due to our big brain.
The jump scare actually frightened me.
I see y'all there with the Justin McElroy jumpscare reference 👏
I came here for this.
Gotta play homage to our good good boy, Hoops.
*CRTL+F 'justin'*
Ah, good. I'm not alone.
@@MinuteEarth gotta give props, a 10 second joke from a defunct podcast tv adaptation that is only on a defunct streaming service is a pretty deep pull
Mbmbam gang, assemble!
1:15 was I little confusing until I remembered human heads in this universe are just circles.
also, if you feel like fainting (tunnel vision, gray vision, muscle weakness), try to sit down, or squat, not only it can prevent fainting entirely (since blood reaches the brain easier now), even if you faint you have a very low chance of getting injured now, since you won't fall while standing. A lot might think that it's hard to notice or react, and I can't really confirm since I never fainted, but it happened once to feel like I'm fainting when getting up from my bed at night fast, I remember this, squat, and after around 20 seconds, I felt normal again (I wouldn't have enough time to lie back in bed). 2nd time I almost fainted was when I cut my finger really bad, with a sharp knife, the knife was so sharp that I actually didn't felt any pain before seeing my finger bleeding like crazy, then I just sit down on a chair and support my head on the table. Magically the finger tip grown back with no scarring (I was scared to permanently loose my finger-tip, so I kept a wet sterile bandage every day, and every-time I changed it I first keep my finger into warm water until the wound would be opened again before putting new bandage)
True, as a bonus squatting actually also increased venous return which will give the heart a better from dynamics, increased preload, chance of bringing blood to your brain and avoiding fainting. You can think of it as displacing blood from legs to heart which will the make it pump more blood in the next cycles to the organs. It is why patients with cyanosis improve when squatting, particularly commonly done by patients that suffer from Tetralogy of Fallot.
so Pokemon has been lying this whole time?
If "fainting" entails a loss of consciousness (and the video seemed to be using it that way) then pokémon being able to use field moves while faint already revealed that the games were lying.
Also that the status condition doesn't clear on its own, while human fainting only lasts a few seconds
*Pokemon faint from being attacked, not from fright like this video discusses
@@prinxen1733
Tell that to the poor sucker who had their opponent repeatedly use astonish on them until they fainted.
@@awfuldynne while faint? If you mean it stays there, I don't think that's a power still being used, but a power used once that lasts for a short amount of time
@@mariotheundyingNot sure about newer games since I haven't played anything past gen 5 but in older games, you can use an overworld move (or HM move) like Rock Smash, Surf, Fly,... even when the pokemon who has that move was fainting
This is a channel that when I first found made me immediately subscribe. When I didn't watch them for couple months and rewatched them, I remembered the joy that I feel when I watch them. The amazing group of people that created this channel deserve much love and respect. ❤❤❤
I like this format, straight to the point without overextending the video length
I went to the dentist before I watched this I fell like this is what being drugged feels like
I'm going to live forever
@@ivettrivera5306 Sounds like the dentist gave you the good stuff!
@@WoWhistorian it felt good
You played too much Life is Strange
Watching MinuteEarth alone is a room or outside with the soothing voice of the narrator and the pleasant music is just one of many beautiful things in life ;)
The sooner this channel starts using the metric system the better.
I know you love your _freedom_ _units_ but it just seems weird for a science channel, even a U.S. based one.
Here in the U.K. we clung on to imperial far too long so I don't have trouble with the conversion but I wonder how the rest of your global audience get on.
Great videos all the same. Keep it up.
What's wrong with standard measurements?
Generally speaking, Imperial measurements aren't standard, which is precisely the problem. Virtually no other nation on Earth regularly uses imperial measurements, so if you want to communicate information to a large group of people (which you would want in science communication), Imperial is kinda terrible. That aside, most science is conducted using metric, as well.
@@lukasg4807Everything.
Concise, informative, well-illustrated, well-written. CZcams needs more videos like this.
I have fainted exactly once, when I had a high fever, had been laying down almost constantly for several days, and presumably had low blood-sugar because I was puking up anything I tried to eat. It was really weird, but I wasn't scared because I was kinda giddy-headed too. Sickest I'd been since I was a toddler. Interesting memory though. I remember thinking "ha, I can't hold a thought in my head. Funny" before everything went black.
2:25 "So, I guess you could say world domination is for the faint of heart." Hahaha. Nice!
So this is what the Bible meant by "The meek shall inherit the Earth".
The Bible teaches evolution after all.
(Sorry)
that chimp is PLAYING on a SWITCH
@@udontseemeiseeuuseemeiseeuit reminds me of Kurzgesagt intro
This is so underrated you guys are so cool :))
I loves all of your videos 🥰 you put so much work in them!
I once had a work accident where I was shocked at first, but quicky relativated the situation, hut then came that blood dip.
Let's say I was busy fainting in a really calm and relaxed manner.
I like the yeti at the intro XD also are yetis apes? Or other
MAYBE MONKEH?!
@@andreboden1437 maybe OvO
Convergent evolution maybe
Probably not. An ape like body plan won't be advantageous in icy places. Gigantism will tho.
But apes can't make vitamin-c and fruits are hard to come by in the artic.
Its far more likely that apes would start making vitamin-c than for some other creature to start looking ape-like.
Other creatures may not need to start looking ape-like if they already look like that. Polar bears could look like apes and certainly live in the Artic.
They're other: not real
@@Jamie-tx7pn obviously not but if they were what would the be?
Yup, a PTSD response can get me with blood, but only sometimes. Almost any time I have blood drawn I'll pass out no matter what I do. It started sometime in my teens or 20s, but before that, blood and the like never bothered me. I understand that it can be a survival trait too, like on battlefields when the sight of blood, dismemberment, broken/protruding bones, etc causing a witness to pass out meant he may survive the battle by being passed over. As a firefighter I was very aware of my limitations (that can be hard to predict, as I can typically watch many graphic movies and shows, treat injuries, observe births, etc) but medical calls weren't my favorite things. I'll go into burning, collapsing buildings to help people (with or without a hose line), no problem! Giving blood though? Only if I have to. Waking up from that is embarrassing and uncomfortable and you feel crappy for hours.
Super awesome....super thanksfor sharing!!!
I like how other animals have their head being drawn properly while human’s is only a circle
You'd think it would affect animals like other primates, or even giraffes or ostriches... penguins... something with a similarly vertical layout. Odd.
We just need all that much blood in our heads. 1/5 of all the blood is a lot of blood.
Their brains are just too small.
Our brains are the equivalent of sticking an R-4360 to a Chevy Impala: just not enough fuel flow.
because they have smol brainz
maybe if you watched the video you would find out why that doesn't happen
It's amazing just how much spaghetti code and temporary fixes it takes for a human to run
But NO other life forms. JUST HUMANS. RIGHT?
Your puns are soooooo good, and that's the case every time.
absolutely fascinating x
"The more we study the animal kingdom, often on the internet, using written language, and then express the abstract concepts we've learned to others, even those with no prior knowledge, with a very high success rate, the less unique humans seem." Yes I hear ravens are on wikipedia ALL the time.
To qualify: The less BIOLOGICALLY unique. All of human civilization is essential 'just' the collective knowledge base we've built, and carry over from generation to generation via the sapience that our brains developed. And whilst there's at least two species that have provably a similar (quantified measurement of consciousness is difficult) degree of sapience (crustaceans and corvids), neither ended up with the biology (aka hands) and environmental pressure to discover complex tool use and agriculture. But yeah, if crows or orcas had hands, they could have easily been the species that would civilize Earth, instead of us monkeys.
Thanks alot walking upright!
Thanks standing upright!
I recognized that tumbler from the title card. Now my Seafoam YETI will have a friend!
how about Yeti, do they faint?
I don't believe anyone's been able to figure out their brain size as of yet. More likely you'd faint if you ever spot it!
@@MinuteEarth dose big foot faint?
@@MinuteEarth also how did he comment before the video released did he have access to the private video I think that is the case
Ya'know when I was about 5 or 7 I fainted in the middle of class. I put my head down on the desk, then I fainted and when I woke up everyone was looking at me. I also, fell over when I fainted, my chair fell with me on it. I didn't feel myself falling, so I didn't get any kind of damage. And I went to the nurse's office.
Thanks alot *standing up right.*
Wow, list of references, nice!
There was a time I was super drowsy, light-headed, and on the verge of passing out for several months, so I got my blood tested. I found out I was iron deficient. I guess my question is how does iron deficiency affect blood flow?
Just so you know, after the problem was fixed with spinach, it happened again later down the line and the solution was the same. Spinach and beef have now become very important parts of my diet.
It's just too bad that's not a widely known medical issue that you could google...
@@delpullen730 This was 2 years ago, dude. I know now.
There is a type of sheep that basically becomes paralyzed (and fall over) when they are startled
their art style is sooo satisfying
I have a low iron level so sometimes when i get up too quickly i might feel dizzy and everything in front of my eyes goes black for a couple seconds. So in february of 2020 i had flu and decided to get up and go to the bathroom. Of course I got up to quickly and felt kinda weird, and combining these two factors i fainted and cracked my nose bone. Thankfully that wasn’t something serious and it healed quickly, so yeah, fainting may not be a big deal but the injuries that were caused by that-might be
Starts video with, "You know, humans aren't all THAT special."
"No other animal faints like we do."
"Our nearest relative has only a third a the brain matter we do."
"No other animal has a problem like this."
"Dominators of the animal kingdom."
This video in a nutshell 😂
The whole head injury aspect scares me so much about fainting. That's why whenever I think I'm about to faint, I get down on the floor ahead of time. Not catching me that way, Death!
Love your videos
Cool video, I feel so dizzy now
2:16:
a little spider
VS
The smartest, devastating ultimate dominating species on the whole planet, literally walking giant (compared to insects): Human
1-0
Spiders aren't insects.
@@davidguthary8147 sorry i forgot that your "heart falled like a stone!"(its a famous qoute in my country)
Spider are not scary.
Being afraid of spiders is for fearful people who fear at nothing.
@@clashseriescoc2151fell
1:52 Damn it MinuteEarth! You actually made me jump for a second. 😠😅
Me too! Got over it quickly though 😅
A million hospital visits in the US or across the world? Thanks for the video - learned a lot!
That fainting scenario from famous comedies like Sesame Street, live action/cartoon shorts and movies was
some type of classic gag by having characters like Muppets faint out of shock, exhaustion, astonishment
This is interesting
1:05, am i the only one who thought "BIG MEATY CLAWS!"
Yes.
My last major faint was 4 years ago so I hope that I have grown out of it somehow( before that I had major faints at least twice a year). I have been lightheaded or even collapsed since, but never loss consciousness.
The main fainting I have experienced was when I had a terrible stomach bug a few years back. Blood flow kept going to my stomach and guts to figure out what was wrong and help heal. Sadly my brain did not appreciate the irregular flow and I fainted multiple times over the weekend. Thankfully just a few scratches and bumps, no major other injuries from it, very trippy though.
Personally I faint every time I get a fever. Also when I stand for too long. I love having low blood pressure :)
Have you looked into postural orthostatic tachycardia syndrome (POTS)?
@@resourceress7 I don't think smoking weed will help with low blood pressure /j
@@aeyelashbug6311 ha! :)
en.m.wikipedia.org/wiki/Postural_orthostatic_tachycardia_syndrome
www.potsuk.org/
What about elephants? They are HUGE and have a "tall brain"?
They walk on 4 legs so it's not that far above their heart.
Ive fainted only twice in my life, within a month of eachother.
Walked up a flight of stairs, sat down at the top, got back up 5 or 10 minutes later, walked a few steps and rapidly got mre and more tired, and then was wondering why everyone was staring at me when I hadn't even stood up yet. Cuz I mean. I was on the floor how could I have gotten up if I had no memory of getting back down.
Thanks god for a big backpack with my sweater stuffed in it or I coulda woken up in a hospital a few days later. (Being 6' 7" doesnt help my odds of that)
#2 stayed to long inna hot tub. Don't need to say much else.
REALLY good thing my mom was there to stop me from cracking my skull on the concrete.
I remember getting out of the pool and walking over to window (indoor pool) and just getting... dizzier and dizzier.
I regain consciousness where my brain wants me to think that I was sitting at the pools edge with my feet in the water (shocker its how I got out of the water to start) My mom says I put one hand on the glass leaned over and just kinda slowly slumped to my kneesefore she caught me and lowered me super awkwardly to the ground and dropping stuff. I was like 10 fet from the water.
So yeah, half of me wants to fall unconscious again so I can regain this memories and reality not quite aligning, but Im also afraid Ill beak my skull
I got to this video a litttle late. The video said that you can get the limited edition Yeti tumbler when you become a new patron for the next two weeks, since the video was published at May 4th and today's May 18th, can I still get one if I sign up today?
I think this is probably not true. If an animal experiences fainting due to fear in the wild, its likely because a predator startled it, and it probably won't survive the attack. Survivor bias. We know plenty of prey animals like small birds, (doves, parakeets, finches, etc), rabbits, sheep, goat and alpacas are especially prone to succumbing to stress if they are handled excessively by people (think during vet appointments and sheering). That sounds very much like dying or "fainting" from fright.
I’ve seen a horse faint for no apparent reason (we tightened the cinch too fast), but maybe it wasn’t fright
I once didn't eat enough before a piercing, made it through the piercing just fine... and promptly fainted on my way out the door. Wound up with a concussion, too! Honestly it's reassuring to know that fainting-related injuries aren't uncommon-it's not just me!
the writing for this video is great
Interesting! I never fainted before tho... even when I was anemic, I was so lacking of energy but I didn't faint once...
Why are some people more likely to faint than others?
because some have bigger brains than others
Hi everyone!!!!! I'm not new here, just wanted to say hi.
Hi!
Thanks everyone for responding!
Hey, did you know that where I live the time is 9:30.
Hello
Props to minute earth (i hope that sentence made sense) for not just making merch and shoving it on some random website for money.
I’m pretty sure opossums faint. My dog caught a baby possum. He started chuffing - from the joy and excitement I imagine. Once I ran out to find out what was happening I couldn’t find him at first. When I did find him he was laid out flat and the baby possum was tottering away. I’m pretty sure my dog fainted when the baby possum woke up and maybe started flailing around - teeth and claws. Took my boi a couple of minutes to slowly wake up.
Yea, the video is just flat out wrong. Opossum literally faint from being threatened(so fright), it’s involuntary and they lose consciousness from seconds to hours. A simple search online would have given him thousands of results proving him wrong.
Had this video recommended on my feed, if he’s that misinformed on such a casual thing this channel is probably trash and riddled with more incorrect “facts”. I’m blocking it.
opossums usually play dead as a defensive mechanism. you sure it's not just that? it's an instinctive trait to them.
1:54 I used to faint when I was younger, I accidentally cut my finger and very small amount of blood coming out. I fainted and people though I was having a seizure.
I've never fainted, how do you faint?
Neither have I.
Does this count as bragging?
it all goes dark and then the floor hits your face while it was dark. floors are very sneaky, they only attack in the dark.
What's worse than fainting is fainting on a hard floor while glasses on
My only experience of fainting in my life: by standing up too quickly after donating blood (and not drinking enough liquid before said donation).
It seems to have more to do with how you naturally react. People that have a higher response to fear will rocket into a heightened state. If there is no cooldown time afterwards, then they crash back down from being heightened and faint as a result.
Right, and this sudden loss of blood pressure from the brain can come from various sources. Like something as mundane as standing up too quickly. Had to learn this with a basically unnecessary hospital visit 1 year ago. I was randomly waking up under my sink, having smashed off the edge of a cabinet with my head and not remembering why. I must have done something, that blocked blood flow to my brain. Never happened anytime else. For the moment, when you don't know this simple thing, it was frightening, because you don't know if something is seriously wrong with you.
I think our social nature makes it less dangerous. Like when you faint there more likely will be other people to help you and care for you. That's not the case for the most of the animal kingdom.
I don't think I've ever fainted in my 29 years of living. Based on a quick web search, the majority of humans (over half) never faint in their entire life.
39 years & counting. Never fainted. I call B.S. on this video.
@@Terminator484 just becuse you havent fainted doesnt mean its not a thing that can happen
@@fanafelgminecraft5789He never said it can't happen, I call B.S. on your demand for attention.
@@Soshoyoi dont think you read his comment also what "demand for attention" i was making a comment also from my understanding his comment is calling bs on fainting since he said he never fainted and he called bs on the vid about why humans faint so thats why i made that comment
@@fanafelgminecraft5789 Video title: Why we faint (When Other Animals Don't)
He's calling BS on the claim that ONLY humans faint not that humans faint at all.
OPs' comment gives his comment the context that he acknowledges humans DO faint because he has said jack shit that denies the claims of the OP that some humans do faint.
Edit: You're clearly demanding attention with that "Just because you don't doesn't mean others don't" bullshit of yours when he hasn't at the slightest hinted that it never happens to others.
1:52 prepare your heart a little bit 😆
This video makes me feel lightheaded
I would "fall" for these videos.
Seems like an extreme evolutionary disadvantage. I nearly drowned in my own blood for 12 hours straight. Now I can't even listen to someone talk about blood without feeling light headed. I can't even hunt anymore. Luckily I've never fainted standing up, but it seems like instinctively passing out when there's danger is pretty dumb.
It’s a software bug that’s worth the tradeoff of being able to Kill a Goat from 30 yards
@@spindash64 damensia
What about fainting from pain? Are we the only ones to do it too?
probably not
only a very small percentage of humans faint from this mechanism. Where we see humans fainting is usually older people with cardiovascular disease and medication‘s that aggravate maintenance of blood pressure.
I have chronic blood/needle triggered vasovagal syncope, basically most of my blood goes to my legs making my blood pressure and heart rate drop uncontrollably at the sight of blood or a needle, mine is so bad that sometimes I don't even NEED to see blood for it to get triggered, like one time my cousin injured herself badly and bled a lot, I didn't even see the blood or the injury but knowing that there was a ton of blood close by was enough to trigger it. Though I actually never fainted from it, I usually lay down away from the trigger whenever it gets very bad and that's enough to stop the faiting.
1:47 or standing up too fast 💀
Yeah its annoying
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Yo
Yo
Yo?
Yo
Yo
This is a BIG brain video
This is a big brain video
I'm waiting to hear from the person who fainted from Julian saying *jump scare*
I bet that person is unconscious
Noooo
That Mbmbam reference was more surprising than the jump scare itself
Love the pun at the end
I can tell when I haven't been eating enough protein because I'll start to get orthostatic hypotension. I've never actually fainted but I've lost all sight and hearing and have had to drop to the ground to make it stop (or start again - you know what I mean)
Ha! I never fainted!
*smol brain
@@deepakrksheerasagar5452
It has to be proportional to the smol body. It probably helps that the brain isn’t too far above the heart and the feet aren’t too far below it. Or maybe I’m just not standing still long enough for the blood to pool in the legs?
Boa
Boat
Such a big brain
so much wow
I've been fainting quite regularly from the age of 5 or 6. Averaging bout once or twice a year. It wasn't until I got diagnosed with an anxiety disorder in high school that I finally stopped fainting (by learning to manage it and fight it). It's a feeling I'm very familiar with now, and I'm able to almost feel it coming, detect it and sit down or leave a situation before it fully hits me. Strangely enough, I always feel completely fine after I gain consciousness. It's almost like a restart for your brain, I suppose.