Health experts are worried about the possible effects on young athletes of popular energy drinks such as Red Bull.
High school and college athletes are increasingly consuming large quantities of these caffeine-loaded drinks to boost athletic performance or lose weight. But athletes who consume too many energy drinks can suffer from dehydration, tremors, heat stroke and heart attacks.
Instead, teen and adolescent athletes should drink water while training and playing -- especially during hot summer months.
Some experts called for the U.S. FDA to require warning labels on the hundreds of energy drinks now on the market.