Cannabis is a terrific cottage industry for retired people. Plenty of people doing it now. Would be nice if it were legal. I could tell you first-hand stories of virtually miraculous healing incidents.
Huge, nasty, black bruise from belly-button hernia operation gone in 8 hours using a cannabis poultice. Saw it with my own eyes. Stuff like that.
They say it makes you stupid. Graduated Summa Cum Laude. Anytime I got stuck on a paper, one puff and I was off to the races. Result was often 100%.