| "When I was younger with my friends, we'd drink a lot of Cokes so we could stay up all night," said Tony Sahm, 14. For many kids, caffeine is a common way to help stay awake. However, many doctors report that caffeine can cause headaches or nausea. It is less known that caffeine uses the same mechanisms as amphetamine, or speed, to stimulate the brain and can be addictive. Because caffeine is a wi |