https://www.heart.org/en/health-topics/cholesterol/about-cholesterol/
Mar 13, 2026 · Learn about cholesterol levels, what is good and bad cholesterol, the difference between LDL and HDL cholesterol, and more.
https://www.healthline.com/health/high-cholesterol/levels-by-age
Apr 25, 2025 · We explain what healthy cholesterol levels are for adults and children. Also, learn about lifestyle changes and medications to help lower your cholesterol.
https://en.m.wikipedia.org/wiki/Cholesterol
Cholesterol is the principal sterol of all animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. [3][4] Cholesterol is biosynthesized by all animal cells [5] and is an essential structural and signaling component of animal cell membranes.
https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/symptoms-causes/syc-20350800
Mar 7, 2025 · Cholesterol is a waxy substance found in the blood. The body needs cholesterol to build healthy cells. But high levels of cholesterol can raise the risk of heart disease. With high cholesterol, fats and other substances can build up in blood vessels called arteries. This buildup is called plaque.
https://www.heart.org/en/health-topics/cholesterol
Your body makes all the cholesterol it needs for important jobs, such as helping to build cells and to make certain hormones. When cholesterol is too high, it can put you at a higher risk of heart disease or stroke.
https://my.clevelandclinic.org/health/articles/11920-cholesterol-numbers-what-do-they-mean
Oct 13, 2025 · Your cholesterol levels are important because they help you know your risk for heart disease. Cholesterol is a type of lipid (fat) that helps your body perform many important functions.
https://www.nhs.uk/conditions/high-cholesterol/
Find out what cholesterol is, what causes high cholesterol, why it's important to keep your cholesterol levels under control, and how to lower your cholesterol.
https://www.nhs.uk/conditions/high-cholesterol/cholesterol-levels/
Find out what cholesterol tests measure and what a healthy cholesterol level should be.
https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/hdl-cholesterol/art-20046388
Nov 7, 2024 · High-density lipoprotein (HDL) cholesterol is known as the "good" cholesterol because it helps remove other forms of cholesterol from the bloodstream. A higher level of HDL cholesterol is linked to a lower risk of heart disease.
https://www.cdc.gov/cholesterol/about/index.html
May 15, 2024 · Key points Blood cholesterol is a waxy, fat-like substance made by your liver. Millions of people in the United States have high cholesterol. Optimal total blood cholesterol is 150mg/dL.
