Depression shown to be both cause and consequence of poor health

I still suspect that micro particle from car fumes and tires, micro plastics (I remember chewing on a straw), PFS, BPA, phthalates, and a cocktail of many other untracked chemicals could affect the brain.

I know that biology knows how to clean itself.

But when I hear people say that it's a matter of benefit cost to improve our living standard while creating diseases, that shows how unmotivated we are.