The "is" is more of a "might be". But it does seem fairly plausible. (The inverse seems less likely- that depression has absolutely nothing to do with the body.

The "is" is more of a "might be". But it does seem fairly plausible. (The inverse seems less likely- that depression has absolutely nothing to do with the body.) I'm guessing that as with most complex phenomena, depression has a range of causal factors, and results from an interplay of many things. It will definitely be great if further research in this area helps to lessen the stigma around depression and other ailments.