When 'Good' Cholesterol Goes Bad - Health Day

(HealthDay News) -- It looks like HDL, the "good" cholesterol that supposedly protects against cardiovascular disease, might have a harmful side.

New research suggests that some people's HDL is more protective for their hearts than others, and that certain proteins in HDL can exacerbate vessel damage, particularly in people with heart disease.

But there's good news, too, as scientists uncover a new means by which HDL boosts cardiovascular health.