We've always been told that addiction of any kind is a condition that stems from the brain. Drugs, alcohol or caffeine exert a specific effect on both the brain and the body, the latter of which dictates subsequent consumption. But how much of an addict's behavior can be explained simply in terms of where he or she hangs out? That's the question that National Institute on Drug Abuse researcher David Epstein seeks to answer in a new study on recovering Baltimore's heroin addicts.
Epstein a……
