energy drinks
  • Cocoa powder is displayed at the laboratory at the University of California, Davis in Davis, CA.

    Previously unnoticed ingredients are coming under scrutiny as health-conscious consumers demand more information.

    LAST UPDATE : Mar 14, 2013, 11:42 AM EDT
  •  Dr. Steve Sun looks at heart monitor display in the ER at St. Mary's Medical Center, San Francisco on January 14, 2013

    From 2007 to 2011, the government estimates the number of emergency room visits involving the neon-labeled beverages shot up from about 10,000 to more than 20,000.

    LAST UPDATE : Jan 16, 2013, 11:05 AM EST