A disappointing new study says that more Americans are at risk for heart disease than in the last few years. After making progress with health, it seems that we’ve slid back to some very bad patterns. The study tracks people who have a low risk of heart disease factors, such as “not smoking, having low blood cholesterol, normal blood pressure, normal weight and no sign of diabetes.” They found that only 7.5 percent of people have a low risk, as opposed to 10.5 percent in...