Saturday, October 18, 2008

Cholesterol Management

Eating Meat When You Have High Cholesterol

Cholesterol is a waxy, fat-like substance that your body needs to function properly. Cholesterol is normally present in the blood. But when the body produces too much or when levels are too high, your risk of coronary heart disease increases. That's because high cholesterol levels contribute to the development of atherosclerosis. With atherosclerosis, plaque builds up on the inside of your arteries, increasing your risk of heart attack and stroke.

It's important to know your cholesterol levels. Government guidelines suggest that healthy adults have a cholesterol analysis every five years. Genetic factors can influence the level of cholesterol in your blood. But so does what you eat as well as other lifestyle habits you have. Here's information you can use to help you eat well and still manage your cholesterol level.

What is LDL cholesterol?
Low-density lipoprotein (LDL) cholesterol is the "bad" cholesterol. That's because elevated LDL levels are associated with an increased risk of coronary artery (heart) disease. A high level of LDL cholesterol can cause plaque to form in the walls of your arteries. The higher the LDL cholesterol, the greater the chances are that the plaque can rupture from the artery's wall, triggering a heart attack.

What is HDL cholesterol?
HDL is the good cholesterol. That's because it protects the arteries from the atherosclerosis process. High levels of HDL ("good") cholesterol help to protect you from the development of heart disease. Conversely, low levels of HDL cholesterol put you at risk of heart disease.

HDL cholesterol travels away from the arteries and helps remove LDL ("bad") cholesterol. In doing so, it reduces your risk of heart attack.

How does diet affect high cholesterol?
Your diet, lifestyle habits, and other conditions all influence your cholesterol levels.

The amount and type of fat in your diet can make a major difference in your risk of heart attack and coronary heart disease. For instance, saturated fats come from animal foods as well as coconut and palm oil. A diet high in saturated fats can produce high blood cholesterol. That increases your risk of heart attack. In addition, trans fats -- found in margarine, baked goods, pastries, and snack foods -- and dietary cholesterol found in meat, especially red meat, increase LDL ("bad") cholesterol levels.

Genetic factors combined with dietary saturated fat, trans fats, and cholesterol is the main reason for high levels of cholesterol. Reducing the amount of bad fats you eat is an important step in reducing your blood cholesterol levels. Increasing the amount of good fats, such as monounsaturated fat and polyunsaturated fat, is also part of a cholesterol-lowering diet.

Plant foods -- including fruits, vegetables, grains, nuts, and seeds -- have almost no cholesterol. In fact, vegetarians, those who eat a plant-based diet with no red meat or poultry, are often thinner and have lower cholesterol and triglyceride blood levels than people who eat a diet high in meat and poultry.
Can diet lower high cholesterol?
Dietary changes can lower high LDL cholesterol. To make them work, the National Cholesterol Education Program recommends making "Therapeutic Lifestyle Changes" -- TLC -- that include the following:

Get less than 7% of your calories from saturated fats, and eat less than 200 milligrams a day of cholesterol. Avoid eating foods high in saturated fats, including red meat, cheese, whole milk, and butter.
Get 25% to 35% of daily calories from fat, mainly from unsaturated fat. Choose monounsaturated fat -- found in olive oil and most margarine -- for the greater part of that fat. Then the rest, about 10% of the calories, should come from polyunsaturated fat that's found in fish as well as corn and cottonseed oils.
Keep consumption of trans fats -- found in margarine, baked goods, pastries -- as low as possible.
Eat only enough calories to maintain a healthy weight; avoid weight gain.
Increase the soluble fiber in your diet if your LDL cholesterol is not lowered by reducing cholesterol, trans fats, and saturated fat intake. Foods high in soluble fiber include acorn squash, apples, baked potatoes, blueberries, broccoli, cabbage, carrots, cauliflower, citrus, dates, dried beans and lentils, prunes, and strawberries.
Add foods that contain plant stanols and sterols to boost your efforts to lower LDL cholesterol.
In addition to the TLC recommendations, here are more suggestions:

Select meat, poultry, and milk products that are lean, low-fat, or fat-free.
Trim any visible fat from meat or poultry before cooking.
Instead of frying meats, chicken, or fish -- broil, boil, bake, grill, steam, or saute in a defatted broth.
Organ meats, such as liver, are especially high in cholesterol content. Foods of plant origin contain almost no cholesterol. Add more whole grains and foods with added fiber, which can help lower cholesterol.
Check the nutrition facts label to know if bad fats are in the food you eat.
Is it safe to eat meat when you have high cholesterol?
If you have high cholesterol, you need to discuss your dietary choices with your doctor. That includes what you should do about eating meat when you have high cholesterol.

There are good choices of lean protein available. For example, you can consider chicken or turkey breasts without skin, pork tenderloin, or beef round, sirloin, or tenderloin. See the chart below for help in knowing what to choose.

If you do purchase lean meats, make sure you read the nutrition label on the package to be sure the meat is 96% to 98% fat free. Also, limit your serving size according to your doctor's instructions. Or follow the TLC diet recommendations of no more than 5 ounces total per day of lean meat, poultry, or fish.

The American Heart Association recommends eating fish with omega-3 fatty acids at least twice a week. Doing so can lower your risk of dying from coronary artery disease. Fish high in omega-3 fatty acids include the following:

anchovy
bluefish
capeline
dogfish
herring
lake trout
mackerel
salmon
shad
sardines
sturgeon
tuna
whitefish

Is it safe to eat meat when you have high cholesterol? continued...
Other healthy protein alternatives include dried beans and peas, nuts and seeds, low-fat dairy products, and soy products.

Staying on a low-fat diet seems out of reach for many people. But you can start by making some relatively easy substitutions in your diet such as the following:

low-fat milk instead of whole milk
baked chicken breast without skin instead of fried chicken
marinara sauce instead of spaghetti sauce with meat
ground turkey in soups and chili instead of ground beef
veggie burger with low-fat cheese instead of a ground chuck hamburger with cheese
The following chart lists lean sources of protein and tells you how much cholesterol is in a serving. Use the chart to help you make smart choices in your diet.






SOURCES:
National Heart Lung and Blood Institute: "Eat Heart Smart: Eating Foods Lower in Saturated Fats and Cholesterol."
American Heart Association: "Meat, Poultry, Fish."
National Cholesterol Education Program: "High Blood Cholesterol: What You Need to Know."
National Heart Lung and Blood Institute: "Your Guide to Lowering Blood Cholesterol with TLC."
Reviewed by
Matthew Hoffman, MD on August 25, 2008

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