From Dr. Amen: You don’t have to be a heavy drinker to hurt your brain. Even moderate amounts of alcohol can affect brain func­tion. A recent Rutgers Univer­sity study indi­cates there is a fine line between moderate and binge drinking, a risky behavior that can decrease the making of adult brain cells by as much as 40 percent. · Go to Drinking decreases number of new brain cells →