Both Rockstar and Monster contain more caffeine than the traditional Red Bull, and there is a growing concern about the side effects that these newer energy drinks are having on teenagers, ie. nausea, abnormal heart rhythms, etc.
See NY Times article, "Taste for Quick Boost Tied to Taste for Risk".
What's Behind Hansen's Smackdown? [View article]
See NY Times article, "Taste for Quick Boost Tied to Taste for Risk".
www.nytimes.com/2008/0...