Psychedelic drugs can sound suspiciously like miracle drugs: Research suggests that some can lift depression overnight, others may treat both post traumatic stress disorder and the terror many dying people feel, and increasingly, a number of different drugs in the class that includes acid, magic mushrooms and ecstasy appear to have potential as life-changing addiction treatments. A less intense psychedelic, marijuana, includes compounds that show promise for pain, MS, cancer & even schizophrenia.
  Unfortunately all these different potential treatments have one thing in common: Thanks to draconian DEA regulations, they are extremely difficult to study…

http://nymag.com/scienceofus/2014/08/governments-disastrous-drug-research-ban.html