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What to do about High Cholesterol

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High Cholesterol Health Report
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High cholesterol affects about 17% of Americans ages 20 and older, contributing to atherosclerotic heart disease, which is the single leading cause of death and disability in the developed world. The good news is that for most people, heart disease is preventable if you live a heart-healthy lifestyle to lower your LDL cholesterol.

Just what level of cholesterol is healthy for you, and how can you achieve it? The National Cholesterol Education Project has created guidelines that give you an easy, step-by-step method to evaluate your risk of heart disease, set your cholesterol goal, and take the steps you need to reach it. Exercising and eating a diet low in saturated and trans fats can help you go a long way toward that goal. If you need more help, effective medications can take you the rest of the way. And this report should provide the further encouragement you need to get your cholesterol under control and keep it there.

Prepared by the editors of Harvard Health Publications in consultation with Mason Freeman, M.D., associate professor of medicine, Harvard Medical School and Chief of the Lipids Metabolism Unit at Massachusetts General Hospital. (updated: 2006)

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Table of Contents:

  • Cholesterol in the body
    • HDLs, LDLs, and other fat particles
  • The cholesterol connection
    • The role of diet
    • From cholesterol to heart disease
  • What causes heart disease?
    • Some risk factors
    • Some protective factors
    • Weighing the risks
  • Why treat cholesterol?
    • Benefits of lowering your cholesterol
    • What are the risks of treatment?
    • Is treatment worth the trouble or the cost?
  • Your cholesterol test
    • The blood test
    • Physical examination and further tests
  • Do you need treatment?
    • Step 1: What are your cholesterol levels?
    • Step 2: Do you have heart disease, diabetes, or chronic kidney disease?
    • Step 3: How many risk factors do you have?
    • Step 4: What’s your heart attack risk?
    • Step 5: Finding your treatment category
    • A new, lower cholesterol goal?
  • First steps in treatment
    • Finding the cause
    • Starting the program
    • Your cholesterol-lowering diet
    • Guidelines for heart-healthy eating
    • Low-carb diets and cholesterol
    • Your exercise program
    • Monitoring your progress
  • Drug treatments for high cholesterol
    • Reductase inhibitors (statins)
    • Ezetimibe
    • Fibric acid derivatives (fibrates)
    • Niacin
    • Bile acid binders
    • Drug combinations
    • Selective estrogen receptor modulators
    • Substances that may lower cholesterol
  • Treating other lipid problems
    • What to do about low HDL
    • How to treat high triglycerides
  • Taking an individual approach
    • Cholesterol in people who have heart disease
    • Cholesterol in people who have diabetes
    • Cholesterol in people who have chronic kidney disease
    • Cholesterol in women
    • Cholesterol in the elderly
  • Glossary
  • Resources
    • Organizations
    • Books and pamphlets

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Here's an Excerpt from this High Cholesterol Special Health Report

In the early days of the cholesterol era, researchers naturally assumed that dietary cholesterol (the cholesterol in such foods as eggs, red meat, and dairy products) was the main villain in elevated blood cholesterol, and so they recommended that people stay away from cholesterol-rich foods. Eggs fell from grace as a good, healthful food.

As it turns out, dietary cholesterol isn’t the only food component responsible for raising the level of cholesterol in your blood, or even the most important. Another key culprit is dietary fat—particularly saturated and trans fats. Saturated fats are found in foods such as meats, whole-fat dairy products, and eggs. Trans fats occur naturally in meat, but today people usually get this type of fat in an artificial form contained in hydrogenated oils, used in margarine and many commercial baked goods and processed foods.

It appears that high cholesterol levels are an unfortunate result of the luxuries of modern life. Our bodies seem to be geared to the low-fat diets of our early ancestors, and we are poorly adapted, at least physiologically, to a life of inactivity and easy access to fatty foods.

Diet isn’t the only cause of high cholesterol. Your cholesterol levels reflect a combination of factors, including your genetic makeup. For some who are genetically predisposed, the amount of cholesterol they eat has relatively little impact on the amount that circulates in their blood. For most people, though, levels of blood cholesterol are closely tied to the amounts of fat and cholesterol in their food.

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