In looking at the treatment of depression, the Cochrane Collaboration – considered one of the most reliable summaries of medical evidence – has found the herb St John’s wort works better than a placebo, and works as well as, and has fewer side effects than, standard antidepressants.
http://www.theaustralian.com.au/news/health-science/evidence-aplenty-for-complementary-medicines/story-e6frg8y6-1226495660429
If the link to this article does not, work paste the title into your search engine and go the the link in the Australian newspaper.
Toms Blog on Life and Livingness