Cholesterol is a fat produced by the liver.

How Common Is High Cholesterol?

More than one out of every 10 Americans has high total cholesterol.

Pills spilling onto table showing a list of target cholesterol levels

GIPhotoStock/Getty

Overview

High cholesterol comes up whenever too much fat (lipids) is in your blood.

These lipids can build up in your arteries and form fatty deposits known asplaque.

Plaque formation leads toatherosclerosis, which increases the risk of heart disease, heart attack, and stroke.

A total blood cholesterol level of 240 mg/dL or greater is considered high in adults.

How Is Cholesterol Measured?

Cholesterol levelsare measured via a blood test called a lipid panel.

Risk factors and causes of high cholesterol include:

Can You Be Healthy With High Cholesterol?

Screenings are often recommended more frequently for those at increased risk of heart attack or stroke.

The number of Americans with high cholesterol has decreased in the past 20 years.

High cholesterol rates are highest overall among Americans ages 4059 and lowest among those ages 2039.

Women are slightly more likely than men to have high cholesterol.

Centers for Disease Control and Prevention.Total and high-density lipoprotein cholesterol in adults: august 2021-august 2023.

2023;147(8).

doi: 10.1161/CIR.0000000000001123

Gao Y, Shah LM, Ding J, et al.

USTrends in Cholesterol Screening, Lipid Levels, and Lipid-Lowering Medication Use in US Adults, 1999 to 2018.

J Am Heart Assoc.

2023 Feb 7;12(3):e028205.

doi: 10.1161/JAHA.122.028205

Centers for Disease Control and Prevention.Total and high-density lipoprotein cholesterol in adults: United States 2015-2018.

American Heart Association.What is cholesterol?

doi:10.1161/CIR.0000000000001052

Johns Hopkins Medicine.Lipid panel.

Centers for Disease Control and Prevention.Cholesterol facts.

Centers for Disease Control and Prevention.Knowing your risk of high cholesterol.

National Heart, Lung, and Blood Institute.Blood cholesterol causes and risk factors.

Mass General Brigham.Healthy cholesterol levels: types of cholesterol and why they matter.

American Heart Association.How to get your cholesterol tested.