Cocaine & Meth Use May Erode Moral Compass: Study

People who use cocaine or methamphetamine on a regular basis may have differences in those brain regions that are involved in choosing between right and wrong, compared to people who don't use these drugs, according to a new study of prison inmates. Researchers found that, during a task that tested prison inmates' moral decision making, inmates who had regularly used cocaine or methamphetamine showed less activity in the amygdala, a region in the brain that helps a person to regulate and un