> the half-life of depression is only a few weeks Are you referring to a single major depressive episode? And presumably not referring to the various other de

> the half-life of depression is only a few weeks Are you referring to a single major depressive episode? And presumably not referring to the various other depressive disorders that last months to years? FWIW, this one of many things that makes treating "depression" challenging - there are many different forms of depression, and not infrequently the underlying pathology is quite different.