What can energy drinks do to your body?

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RAPID CITY, S.D. (KOTA TV) - The death of a 16-year-old South Carolina boy who consumed too much caffeine, is serving as an alert for those who love that quick jolt of energy.

One new study shows 50 percent of calls to poison control regarding energy drinks were for kids.

Our Rachel Ryan has more on how too much caffeine can be a silent killer.