[gavinray]

There's no money in telling people "You will feel better if you move around a little each day, and don't eat junk food."

Plus, the grand of majority of people would rather NOT move around and continue to eat junk food regardless. Animals evolved to be lazy.

[thefz]

Waiting for the inevitable peak HN comment "we should distillate the chemicals released during exercise into a pill and give it to people so they don't need to move"

[gavinray]

I've taken several of those, they're called "exercise mimetics".

https://en.wikipedia.org/wiki/Exercise_mimetic

Unfortunately we've not invented one that can fully replace exercise yet.