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Cholesterol is a waxy, fat-like substance that occurs naturally in all parts of the body. Your body needs some cholesterol to work properly. But if you have too much in your blood, it can combine with other substances in the blood and stick to the walls of your arteries. This is called plaque. Plaque can narrow your arteries or even block them.

High levels of cholesterol in the blood can increase your risk of heart disease. Your cholesterol levels tend to rise as you get older. There are usually no signs or symptoms that you have high blood cholesterol, but it can be detected with a blood test. You are likely to have high cholesterol if members of your family have it, if you are overweight or if you eat a lot of fatty foods.

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Illustration of cholesterol in the blood
Results 1 - 10 of 2,108 for cholesterol
  1. Cholesterol (National Library of Medicine)  
    Cholesterol is a waxy, fat-like substance that occurs naturally in all parts of the body. Your body needs some cholesterol to work properly. But if you have too ...
  2. ... In Sign Out Percentage of Adults with High Cholesterol Whose LDL Cholesterol Levels are Adequately Controlled High cholesterol can double a person's risk for heart disease, ...
  3. High Cholesterol and Complementary Health Practices: What the Science Says From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    ... National Center for Complementary and Integrative Health High Cholesterol and Complementary Health Practices : What the Science Says ... our disclaimer about external links More About High Cholesterol and Complementary Health Practices Clinical Guidelines, Scientific Literature, ...
  4. Time to Talk: High Blood Cholesterol? 5 Things You Should Know From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    ... links Menu Time to Talk Tips High Blood Cholesterol? 5 Things You Should Know Approximately 13 percent of U.S. adults has high total cholesterol. Lowering cholesterol levels can slow down, reduce, or ...
  5. High Cholesterol: Cholesterol-Lowering Medicines (American Academy of Family Physicians)  
    MENU Return to Web version High Cholesterol | Cholesterol-lowering Medicines Why did my doctor prescribe cholesterol-lowering medicine for me? Lowering your "bad" cholesterol (also called LDL, or low- ...
  6. HDL Cholesterol: How to Boost Your 'Good' Cholesterol (Mayo Foundation for Medical Education and Research)  
  7. ... this page please turn Javascript on. Feature: High Cholesterol Cholesterol Levels: What You Need to Know Past Issues / Summer 2012 Table of Contents Measuring Cholesterol Levels Everyone age 20 and older should have ...
  8. ... 132, October 2013 Total and High-density Lipoprotein Cholesterol in Adults: National Health and Nutrition Examination Survey, ... 2012, 12.9% of adults had high total cholesterol, 17.4% had low HDL cholesterol, and 69. ...
  9. High Blood Cholesterol NIHSeniorHealth From the National Institutes of Health (National Heart, Lung, and Blood Institute)  
    ... this page please turn Javascript on. High Blood Cholesterol What is High Blood Cholesterol? What is Cholesterol? Cholesterol is a waxy, fat-like substance that ...
  10. ... this page please turn Javascript on. Feature: High Cholesterol High Blood Cholesterol Q&A with Dr. Michael Lauer Past Issues / ... heavier and older, what does recent research on cholesterol and heart health tell us that Americans need ...
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