What are the chances that the last few years of mental illness is due to toxins in our water and soil?

For years our infrastructure has been basically ignored as Congress plays their games our water is being ignored and so is the pollution of land.

I grew up in the 70’s when there were tons of junkies and lead paint and I swear the people today are loonier than they were back then.

What do you think are the chances that most of our mental illness that is being blamed on the opioid crisis, is really due to the poisoning of our environment?