There is research suggesting that exposure to bacteria (Mycobacterium vaccae in this case) can help cure depression. I first read about it in this article from

There is research suggesting that exposure to bacteria (Mycobacterium vaccae in this case) can help cure depression. I first read about it in this article from The Economist: http://www.economist.com/node/8956457 http://www.economist.com/node/8956457