High cholesterol is a major risk factor for heart disease and stroke, two leading causes of death in the U.S. Lifestyle changes like a heart-healthy diet, regular exercise, and quitting smoking can ...

Vitamin D helps maintain bone health and is found in certain foods, supplements, and sunlight when it interacts with the skin. Cholesterol is a fatty substance found in cells that helps make hormones ...

Fluctuating LDL and total cholesterol levels in older adults may indicate increased dementia and cognitive decline risk. Higher cholesterol variability correlates with a greater incidence of dementia ...