Aside from the inconvenience of taking niacin, two recent, highly-anticipated clinical trials have suggested that raising HDL levels with niacin failed to demonstrate any improvement in cardiovascular outcomes. Furthermore, treatment with niacin was associated with an increased risk of stroke and increased diabetic complications. At this point, most doctors are very reluctant to prescribe niacin therapy for the purpose of raising HDL levels.
If you want to increase the benefits of the fats you eat, work out before you chow down. A study at the University of Missouri found that regular exercise prior to high-fat meals produces a large hike in HDL. I’m not suggesting that your excuse for indulging in high-fat meals ought to be a pre-meal workout, merely that exercise before a meal works to your heart’s advantage.
Could one of your current prescriptions be a cause of your low HDL levels? Possibly! Medications such as anabolic steroids, beta blockers, benzodiazepines and progestins can depress HDL levels. If you take any of these medications, I suggest talking to your doctor and considering if there is anything you can do that could take the place of your current prescription.
Treatment of high cholesterol usually begins with lifestyle changes geared toward bringing levels down. These include losing weight if you’re overweight, and changing your diet to emphasize vegetables and fruits, fish, particularly cold water fish such as wild Alaskan salmon, mackerel, herring and black cod that provide heart healthy omega-3 fatty acids. If lifestyle changes don’t help or if you’re unable to make the changes your doctor recommends, cholesterol-lowering drugs may be prescribed. These include statins, which effectively lower LDL cholesterol; bile acid sequestrants that may be prescribed along with statins to lower LDL; nicotinic acid to lower LDL cholesterol and triglycerides and raise HDL; drugs called fibrates that may be prescribed to lower cholesterol and may raise HDL; and a drug called Ezetimibe to lower LDL by blocking the absorption of cholesterol in the intestine.
Black beans, kidney beans, lentils, oh my! All are rich in soluble fiber, which binds to cholesterol in the blood and moves it out of the body. Recent studies show eating 4.5 ounces of beans a day can reduce LDL levels by 5 percent. Try black bean burritos, or dip some veggies in hummus, which is made with chickpeas, for an afternoon snack. Or try this Caramelized Onion and White Bean Flatbread -- beans are so versatile, the possibilities are endless.
Substantial evidence now shows that a low-fat diet often reduces — rather than increases — HDL levels. This result is not specifically caused by “not enough fat,” but rather, is caused by consuming too many carbohydrates. The American Heart Association and the American College of Cardiology have quietly stopped recommending low-fat diets for heart disease prevention. Indeed, it is low-carb diets — and not low-fat diets — which are associated with higher HDL levels.
What is the difference between HDL and LDL cholesterol? The body needs cholesterol, but too much bad cholesterol can be harmful and is a major risk factor for heart disease and stroke. In this article, learn about the difference between HDL and LDL — “good” and “bad” — cholesterol, as well as how they are measured. What steps can you take to lower LDL and increase HDL? Read now
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HDL cholesterol carries excess cholesterol to your liver so it doesn’t build up in your bloodstream. But when LDL cholesterol moves cholesterol throughout your body, it can build up in the walls of the arteries, making them hard and narrow. If you have too little HDL cholesterol and too much LDL, you may be diagnosed with high cholesterol, a condition that can lead to atherosclerosis, angina (often experienced as chest pain), heart attack, and stroke.
George T Griffing, MD is a member of the following medical societies: American Association for the Advancement of Science, International Society for Clinical Densitometry, Southern Society for Clinical Investigation, American College of Medical Practice Executives, American Association for Physician Leadership, American College of Physicians, American Diabetes Association, American Federation for Medical Research, American Heart Association, Central Society for Clinical and Translational Research, Endocrine Society