The Doctors discuss a recent study that found high levels of caffeine drinks mixed with alcohol affected brain chemistry the same way as taking cocaine. Cocaine and investing are worlds apart – one is illegal and dangerous while the other holds some satisfying payoff despite the element of risk. However, a Harvard study said that both activities are interpreted similarly by the brain. Using brain imaging, the researchers discovered that the areas of the brain that responds to reward and pleasure are both activated in a person high in cocaine and to that of a person whose investments suddenly gave him good returns. (more info