[nommm-nommm]

This happens with any chronic illness especially ones where the cause and treatment are vague.

"You need to do X."

Suffer from a chronic illness and you'll get all sorts of unsolicited comments from strangers to give up or get more Y. While perhaps we'll meaning these comments are grating, overly simplistic, and unhelpful - most people have tried everything under sun and more. Their medical issues aren't as simple as you make them out to be.

Exercise is probably helpful for someone moderately depressed or just feeling a little down. Probably not very helpful for the seriously depressed. I know it was unhelpful and somewhat harmful for my [very serious] depression.