How to Understand the Signs of Clinical Depression? Psychiatrist Dr O'Sullivan Explains

Psychiatrist Dr O'Sullivan discusses what Clinical Depression is and its symptoms. He describes how a psychiatrist diagnoses the illness. He talks about the different types and levels of Clinical depression and how it is experienced in daily life. He comments on the challenge of the overuse of the word depression in today's society.
** Do not use this video for medical advice or for emergencies**
If you have a medical emergency, call a physician, qualified healthcare provider or emergency response service - 911 in the USA or Canada. Under no circumstances should you attempt self-treatment based on anything you have seen or read in this video.
** Free Community-Based Mental Health Services**
USA - National Alliance on Mental Illness - www.nami.org
Canada - Canadian Mental Health Association - www.cmha.ca
UK - National Health Service - Every Mind Matters - www.nhs.uk/every-mind-matters
Ireland - Mental Health Ireland - www.mentalhealthireland.ie
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About Dr Karl O'Sullivan
Dr Karl O’Sullivan is a retired psychiatrist with decades of experience working in hospital and community settings in the United States, Canada and Ireland. He has worked with a wide range of mental health issues and with people from diverse cultures and backgrounds.
He has held academic appointments at McMaster University, the University of Dublin (Trinity College), and the University of Saskatchewan. The results of his research have been published in American, Canadian and British scientific journals.
A fellow of the Royal College of Physicians and Surgeons of Canada and the Royal College of Psychiatrists, United Kingdom, he is also a diplomat of the American Board of Psychiatry and Neurology.