jueves, 27 de junio de 2019

4 ways to eat your way to lower cholesterol

HEALTHbeat

Harvard Medical School

4 ways to eat your way to lower cholesterol

Many people can lower cholesterol levels simply by changing what they eat. For example, if you are a fan of cheeseburgers, eating less meat (and leaner cuts) and more vegetables, fruits, and whole grains can lower your total cholesterol by 25% or more. Cutting back on saturated fat (found in meat and dairy products) and trans fat (partially hydrogenated oils) can reduce cholesterol by 5% to 10%.
Here are four steps for using your diet to lower cholesterol.
  1. Stick with unsaturated fats and avoid saturated and trans fats. Most vegetable fats (oils) are made up of unsaturated fats that are healthy for your heart. Foods that contain healthy fats include oily fish, nuts, seeds, and some vegetables. At the same time, limit your intake of foods high in saturated fat, which is found in many meat and dairy products, and stay away from trans fats. These include any foods made with partially hydrogenated vegetable oils.
  2. Get more soluble fiber. Eat more soluble fiber, such as that found in oatmeal and fruits. This type of fiber can lower blood cholesterol levels when eaten as part of a healthy-fat diet.
  3. Include plant sterols and stanols in your diet. These naturally occurring plant compounds are similar in structure to cholesterol. When you eat them, they help limit the amount of cholesterol your body can absorb. Plant sterols and stanols are found in an increasing number of food products such as spreads, juices, and yogurts.
  4. Find a diet that works for you. When a friend or relative tells you how much his or her cholesterol level dropped after trying a particular diet, you may be tempted to try it yourself. If you do, and after a few months you discover that you're not getting the same benefits, you may need to chalk it up to genetic and physiological differences. There is no one-size-fits-all diet for cholesterol control. You may need to try several approaches to find one that works for you.
Although diet can be a simple and powerful way to improve cholesterol levels, it plays a bigger role for some people than for others. Don't be discouraged if you have followed a diet but not reached your goal blood level. Keep it up. Even if you do end up needing medication to keep your cholesterol in check, you likely will need less than if you didn't make any dietary changes.
For more on lowering cholesterol, read Managing Your Cholesterol, a Special Health Report from Harvard Medical School.
Image: iStock
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The truth about dietary fat

For years, experts recommended low-fat diets as a way to lower cholesterol and heart disease risk. Today, we know that low-fat isn't the way to go after all. A healthy diet includes plenty of "good-for-you" fats — and limits the unhealthy ones.  Current dietary guidelines recommend that you get 20% to 35% of your daily calories from fat. Even more may be fine, if you follow these simple guidelines.

Favor the "good" fats.

The best sources of healthy fats are oily, cold-water fish, such as salmon and tuna; plant sources such as avocados and nuts; and vegetable oils, such as olive, canola, soybean, and cottonseed oils. These fats promote heart health because they lower cholesterol levels — and they may even fight chronic inflammation, which may contribute to heart disease. It's okay to get up to 35% of your daily calories from fat — as long as most of it comes from sources like these.

Limit saturated fats

Typical sources of saturated fat include animal products, such as red meat, whole-fat dairy products, and eggs, and also a few vegetable oils, such as palm oil, coconut oil, and cocoa butter. Saturated fat can increase your levels of "bad" LDL cholesterol. But it has some benefits, too — it lowers triglycerides and nudges up levels of "good" HDL cholesterol. 
The role of saturated fat in heart disease is currently under debate. For now, it's best to limit your intake of saturated-fat-rich foods.
To learn more about good and bad fats and other factors that contribute to your cholesterol levels, buy Managing Your Cholesterol, a Special Health Report from Harvard Medical School.
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Featured in this issue


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Managing Your Cholesterol

Featured content:


Cholesterol: Good, bad, and indifferent
Cholesterol and heart disease
Understanding your cardiovascular risk
Why treat cholesterol?
Your cholesterol test
Making sense of the statin guidelines
Special Section: Lifestyle changes to improve your lipid levels

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