(CNN) — It’s second nature for some people to pour a glass of wine on a nice evening or to pop open a can of beer during a sports event — but when does drinking become too much? Heavy alcohol use, ...

Short-term, alcohol slows brain processing, triggers the reward system, reduces stress and pain, impairs spatial thinking, and can cause memory lapses or blackouts. Long-term, alcohol damages the ...

Alcohol is the most widely consumed drug worldwide. For many, drinking is as much a part of daily life as having dinner. Although we consume it regularly, we don't really know what it does to us, or ...