1. High Cholesterol Rates Are Falling:  (1 of 9 photos)

You probably know that high LDL ("bad") cholesterol puts you at risk for heart disease. But you might not know that the prevalence of high LDL in U.S. adults actually fell during the last decade. One reason is greater use of cholesterol-lowering medication by those who need it. There's still plenty of room for improvement, however. Currently, about one in six adults has high cholesterol.

 

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Kids who grow quickly as toddlers or teens tend to have lower cholesterol levels as adults, new research says. A 2007 study in the Journal of Epidemiology and Community Health also found that people who become overweight after age 15 are more likely to have higher cholesterol levels.