It's no secret that athletes today love downing energy drinks before a big game. But whenever you take a stimulant, such as caffeine, to give yourself that energy boost for the day, it causes your heart to beat faster for a long period of time — and consuming high concentrations of caffeine can cause serious damages to your heart. Today we have Christine Alongi, director of our StrongHearts cardiac rehabilitation program, to talk about what too much caffeine looks like and what effects it can have, especially with the surge in popularity for energy drinks.