High-caffeine soft drinks may do more than give people a jolt of energy. They may also boost heart rates and blood pressure levels, researchers say.
The results of a small study prompted the researchers to advise people who have high blood pressure or heart disease to avoid energy drinks because they could impact their blood pressure or change the effectiveness of their medications.
The drinks generally have high levels of caffeine and taurine, an amino acid found in protein-rich foods like meat and fish that can affect heart function and blood pressure, the researchers say. Read the rest of this entry »
