Millions of people around the world have a glass of wine with dinner, drink a beer at a sporting event, or accept alcoholic drinks at a party. The use of alcohol dates back more than 10,000 years. From then until now, alcohol has played an important part in human civilization. It is used in cultural and religious ceremonies, at social gatherings, and even for medical purposes. Records of alcohol’s effects date back to ancient times. Alcohol has been called both a tonic and a poison. And medical experts continue to debate its value.