The Buzz about Caffeine

Is caffeine bad or good for you? The answer is: a little of both.

By Emily Sohn, 00:00 AM September 9, 2007

You're drinking lots of cola at a party, when suddenly it hits: You! Are! Hyper! You jump around. You talk too fast. You laugh so hard that soda squirts out of your nose. Later, you can't fall asleep, and the next day, you're tired and feel awful. Sound familiar?

Most kids already have a ton of energy, but kids who drink a lot of cola often end up even more wired than usual. The soda's high sugar content is partly to blame, but cola also usually includes an energy-sparking chemical called c...

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