That's what I'd think would have to be addressed.
The quickest way of losing insurance would be to have an accident and a participant show up positive on intoxicating substance. That would screw things up for everybody involved in the sport.
I see a substance abuse policy in the near future.
The way I see it is, if someone wants to do drugs that's their business, just don't let your behavior screw things up for me and everyone else.
Rouse