Someone who takes hallucinogens is risking which of the following outcomes?
amnesia
tremors
excessive calm
bronchitis

I would say go with either amnesia or tremors. Depending on the person, both could happen. But I think amnesia would be the better choice of the two.

Major sources of stress, such as a death or divorce, problems in family relationships, job loss, school, and substance abuse, can trigger or aggravate some mental disorders in some people. but not everyone who goes through those things develops a mental illness