http://articles.mercola.com/sites/articles/archive/2005/09/08/the-placebo-effect-a-practical-tool-to-create-healing-in-your-life.aspxNew research indicates that the simple belief that a pill will stop pain will cause your brain to release its own natural painkillers, endorphins. This is the first direct evidence that endorphins play any role in the "placebo effect." Researchers inducedenCommunityServer 2008.5 SP1 (Build: 31106.3070)