Just One Energy Drink May Raise Heart Health Risk

Having just one energy drink can cause short-term changes in healthy adults that, over time, could increase their risk of heart disease, a new study finds. In the study, participants who drank one 16-ounce (480 milliliters) can of Rockstar energy drink had higher blood pressure and higher levels of the hormone norepinephrine, after they drank the energy drink than before they consumed it. One Rockstar energy drink contains 240 milligrams (0.008 ounces) of caffeine, along with other stimulants, i