Total cholesterol levels of 125-200 mg/dL are optimal for heart health. Genetics, diet, activity levels, smoking, and excessive drinking can affect your cholesterol levels. Regular exercise and a ...

Cholesterol is measured with a simple blood test called a lipid panel or lipid profile. Lipids are fats and fatty substances, which include cholesterol, that you carry in your bloodstream to be used ...

HDL is short for high-density lipoprotein. Each bit of HDL cholesterol is a microscopic blob that consists of a rim of lipoprotein surrounding a cholesterol center. The HDL cholesterol particle is ...