On the other side of the spirit veil, I spend more than a little bit of time researching the hallucinogens. I personally believe ayahuasca is also the greatest natural healing agent, period. Chris Kilham More Quotes by Chris Kilham More Quotes From Chris Kilham Coffee is already known to be a preventive factor against mild depression, Parkinson's disease, and colon and rectal cancers. Chris Kilham against disease coffee depression Cocoa boosts brain serotonin. Almost every single antidepressant aims at either enhancing serotonin or keeping it in the brain longer. Chocolate or cocoa does that very well. Chris Kilham well single chocolate brain