"The Trip Treatment" by Michael Pollan ...an article and interview.

I just finished this article in the New Yorker.
......very provocative:)

clinical trials at several universities, including N.Y.U., in which psilocybin—the active ingredient in so-called magic mushrooms—was being administered to cancer patients in an effort to relieve their anxiety and “existential distress.

Here is the link to the article...
http://michaelpollan.com/articles-archive/the-trip-treatment/

Here is a link to his interview about the article.......
http://kalw.org/post/psychedelic-cure-michael-pollan-his-story-trip-treatment

There are also studies to treat PTSD, which have been very successful.