Low HDL cholesterol
A study which analyzed the relationship between the major coronary events and HDL (the good cholesterol) concluded that low HDL was the third strongest predictor of coronary events, after prior heart disease and age.
“If young people have heart attacks, I can almost always tell you they have low HDL,” says Dr. Wood, author of Smart at Heart. Dr. Wood says there are ways to increase good cholesterol. Exercise more and try to lose weight.