Researchers say there appears to be links between the artificial sweetener xylitol, a type of sugar alcohol, and an increased risk of heart attack and stroke
Adding fluoride to drinking water is widely considered a triumph of public health. The Centers for Disease Control and Prevention says the cavity-prevention strategy ranks alongside the development of vaccines
New evidence suggests community water fluoridation may have a downside. The study is done in Los Angeles but the fluoride levels there are similar to national levels.