Are there any genes that protect people from risk for heart attack?

In one large family, we noticed that low levels of blood lipids (low LDL cholesterol, HDL cholesterol, and triglycerides) was present in several members of the family.  We described this syndrome as ˜familial combined hypolipidemia.  It looked as if a single gene was responsible for the low lipid levels in the family.  To discover the … Read more