Millions suffer from a type of cholesterol that is deadly and cannot be treated. Very few know that they are at risk.
Increasingly, doctors are requiring testing for lipoprotein(a), a cholesterol that can cause fatal heart attacks in middle age and is entirely genetic, so diet and exercise have no effect on its levels. Up to 64 million Americans have elevated levels of Lp(a) Anyone can have it, although it is more common among people of African and Southeast Asian descent.