… something as complex as a human emotion has a purely organic origin that they can't define? By the way, I mean, none of this makes any sense at all. Yeah. If there's no difference between the brain of a depressed person and a happy person, then you can't really say there's a known biological cause for depression. You just can't say that because you can't show it. But even bigger picture, just being a human being, that all of this is just wildly complex. (20:11–20:22)
CLAIM
Asserts that there is no identifiable biological difference between depressed and non-depressed individuals.
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