Stanford’s Robert Sapolsky Demystifies Depression

We know that depression affects people from all walks of life. Rich. Poor. Celebs. Ordinary Joes. Young. Old. But, somehow after the death of Robin Williams, there’s a renewed focus on depression, and my mind turned immediately to a lecture we featured on the site way back in 2009. The lecture is by Robert Sapolsky, a Stanford biologist, who has a talent for making scientific subjects publicly accessible. A recipient of the MacArthur genius grant, Sapolsky notes that depression — currently the 4th greatest cause of disability worldwide, and soon the 2nd — is deeply biological. Depression is rooted in biology, much as is, say, diabetes. As the lecture unfolds, you will see how depression changes the body. When depressed, our brains function differently while sleeping, our stress response goes way up 24/7, our biochemistry levels change, etc. You will see that biology is at work.

Sapolsky is one compelling teacher. So you might not want to miss his Stanford course, Introduction to Human Biology. It’s equally worth your time. You can always find it housed in our collection of 1,000 Free Courses Online.

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  • Michelle says:

    excellent – thank you for posting

  • James Bruce says:

    Some of the most gifted people in the world struggled with depression. We know of Robin Williams, but one of the most treasured impressionists in the world did when they had no medication of any sort. His name was Vincent Van Gogh!

  • Micky DuPree says:

    Obviously there’s a genetic predisposition to depression and bipolar disorder, but there’s an environmental dimension too. The modern world and its media have medicalized and personalized sociopolitical problems so as to relieve the powerful of responsibility for the effects of their decisions on others. Therefore you’re not depressed because your job was outsourced. You’re depressed because your biology is faulty.

  • Will says:

    A tremendously comprehensive over-view of the psycho-biology of Major Depression.

    I’m somewhat mystified however on one point; are you saying that only loss-of-weight and avoiding adequate nourishment is the key criteria for Major Depression? Or can overeating and obesity be criteria as well. I am a clinician and have see both considerable loss of weight AND considerable gain of weight presenting in sessions with my patients who suffer from MDD. Did I misunderstand or can you clarify this point.

    Thank you for your extraordinarily-honed lecture, Professor Sapolsky.


  • zapp says:

    what this article forgets to mention is that main cause for the biological effect of depression is non-biological, it’s social. Stress.

    Dr. Robert Sapolsky does however claim this, but this article doesn’t.

    Check out “Why Zebras Don’t Have Ulcers” by Sapolsky.
    Also “Stress – The Portrait of the killer”.

    Apart from individual and esoteric causes of stress (like artist worrying that his/her art is not “real enough” or alike), main cause of stress in majority of population is the unnatural life style we live today, fueled by consumerism and economical slavery.

  • steeleweed says:

    One might also remark that many people live in depressing circumstances. Chronic pain that can not be eliminated, poverty – both stressful and depressing.

  • sglover says:

    One might also remark that many people live in depressing circumstances. Chronic pain that can not be eliminated, poverty – both stressful and depressing.

    Yes, but I think Sapolsky touches on that when he discusses how unpredictability and loss of control are central features of stress. Surely one of the worst aspects of poverty — as bad as want itself? — is the vulnerability that comes with it.

    Anyway, this was really an excellent lecture. I’ve been very sceptical of the pill-centric approach that seems to define modern mental health treatment, but Dr. Sapolsky’s given me a more nuanced view.

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