I read that too (and saw his pic). Makes it a little harder to digest when it seems evident he was doing a lot to take care of himself. No silver bullet, more a combination of positive routines but speaking out is of upmost importance.
I was there last year after my own separation...felt like I was drowning in mental anguish for several weeks...into months. Didn't drink at all at this time but ramped up the exercise and healthy eating...having close friends and family was that all important extra crutch.