by Barbara Berkeley, MD We are all addicts. Our brain works by a system of rewards that are mediated by chemicals like endorphins, enkephalins and endocannabinoids. Pleasurable experiences "hit" these systems and provide a nice jolt; one we want to repeat. Thus, craving the experience of playing music, running or watching Dancing With the Stars (my personal yen) is a kind of addiction, especially if we feel withdrawal when we don't do these things or only feel "normal" when we... Read more →