
"The drugs that we need to ease the burden of mental illness could be out there — we just need to look," wrote Nutt, who believe that both banned drugs and prescription medicines should be looked at for their psychiatric effects.
Psilocybin, an ingredient found in magic mushrooms has shown to have beneficial effects in treating depression. Ketamine, sold as a street drug under the name Special K, is also being studied for its potential in treating depression.
If a medication shows promise for treating a mental health condition, it can be studied more rapidly than a whole new drug, Dr. Nutt said.
http://www.livescience.com/48730-recreational-drugs-may-hold-clues-new-psychiatric-meds.html