Energy drinks may pose risk for some - UPI

U.S. researchers suggest energy drinks may pose risks for people with high blood pressure and heart disease.

James Kalus, senior manager of Patient Care Services at Henry Ford Hospital in Detroit, and a former Wayne State researcher who led the study said some studies have found most energy drinks contain high levels of caffeine and taurine -- an amino acid that has had effects on heart function and blood pressure. Sports drinks generally contain various mixtures of water, sugars and salts, Kalus said.

In a small study, Wayne State University researchers found energy drinks increased blood pressure by about 7 percent and heart rates by about 11 percent in adults who drank two cans a day of a popular energy drink....