Vague not-really-scientific claims like this make me immediately suspicious. People who make claims like this usually fall into one of two categories:
1. They're trying to sell something.
2. They're crazy.
I looked back through your post history and found this:
> Cannabis is de facto legal throughout the USA. I repeat: marijuana is in practice legal in America, and all these people talking about drug charges ruining lives don't know what they're talking about.
Yep, you're crazy.