Cholesterol is a form of fat we need. It helps make the outer membranes of our bodies' cells stable. But for decades, doctors have known that people with high total cholesterol levels are more likely ...

These cholesterol level charts will show you what's normal for every age and gender. Plus, a few tips for staying within a healthy range.

A study found that typical cholesterol tests measuring HDL and LDL levels might be missing an important indicator of heart disease risk in certain people. Measuring apolipoprotein B (ApoB), a protein ...