More than 100 million Americans have high cholesterol, a major risk factor for heart disease. Most people think of their diets as the main cause, but genetics also play a role in both good and bad ways. A noted expert discusses how scientists are harnessing cholesterol genes to lower the risk of heart attacks.
A study that finds water chlorination may also be unsafe. Then, children have a much higher risk of becoming obese if a home is cross-generational and grandparents are raising the kids. And finally, another reason to eat your Brussels sprouts.