So far, these studies have been disappointing, to say the least. The first major trial (concluded in 2006) with the first CETP inhibitor drug, torcetrapib (from Pfizer), not only failed to show a reduction in risk when HDL was increased but actually showed an increase in cardiovascular risk. Another study with another CETP inhibitor - dalcetrapib (from Roche) - was halted in May 2012 for lack of effectiveness. Both of these related drugs significantly increased HDL levels, but doing so did not result in any clinical benefit.
DAVID MONTGOMERY: The ways to reduce your bad cholesterol have a lot to do with your lifestyle. So your diet is really important. And although this kind of sounds trite, really one of the best and most effective ways to reduce cholesterol is by having a low fat diet, particularly saturated fat. We find saturated fat in eggs, dairy, and red meat. If you're able to reduce those, you reduce your bad fat, which reduces your bad cholesterol. Another really effective way that I use with my patients all the time to reduce your cholesterol is regular exercise. If you're doing aerobic type exercises, most days a week, four days a week, 30 minutes at a time, then you're doing your body the best amount of good, not just from lowering your cholesterol standpoint, but from so many different ways. There are other ways that we can reduce the fat. It may have to do with supplementations or medications. In some people, they are born with genetic conditions that predispose them to have very, very high cholesterol. And as a result of that, they have different problems like heart attacks or strokes. In those people, they really do benefit from cholesterol lowering drugs. But there are other things that you can get from over-the-counter, like omega fatty acids, omega-3 fatty acids in particular. They come in krill oil or fish oil. We've all heard of these before. And those help reduce parts of your cholesterol.
Eating seafood twice per week is a surefire way to reduce your risk of cardiovascular disease. Fatty fish like salmon yields some of the greatest anti-inflammatory and heart-healthy benefits, as a Journal of Nutrition study found salmon protein to significantly increase the proportion of HDL cholesterol. One tip: fish should be purchased wild and sustainably caught. For a consumer guide on how to make informed choices you can check out the consumer guides provided by the Monterey Bay Aquarium Seafood Watch.
Furthermore, in epidemiological studies involving over 100,000 individuals, people whose HDL cholesterol levels are below about 40 mg/dL had a substantially higher cardiac risk than those with higher HDL levels. This is the case even when LDL cholesterol ("bad" cholesterol) levels are low. Higher HDL levels have also been associated with a reduced risk of breast, colon and lung cancer.

HDL plays an important role in transporting cholesterol from the peripheral tissues to the liver, where it can be excreted; this process is known as reverse cholesterol transport (RCT). (The liver is the main organ for excretion of cholesterol, doing so either directly or by converting cholesterol into bile acids.) It is important to remember that most HDL measured in the blood is derived from the liver and intestine. Therefore, the concentration of HDL in plasma does not reflect cholesterol efflux from blood vessels or the efficiency of RCT. Moreover, HDL function in RCT is not mirrored by HDL measurements. [2]
What is cholesterol ratio and why is it important? There are two types of cholesterol. One is harmful, and builds up in the arteries, but the other can actually benefit the body. In this MNT Knowledge Center article, learn about the difference between 'good' and 'bad' cholesterol. How do they affect the body? How can you manage high cholesterol? Read now
Are you pouring up a glass of OJ in the morning? Is your daily caffeine fix a fountain coke at the local gas station? What about that fruity cocktail tempting you at happy hour? Eliminating sweetened beverages from the daily routine is one of the easiest ways to cut thousands of calories or more per week, but will also put years on your life. Water is the best form of hydration and can be flavored with citrus, tropical fruits, and herbs to create a refreshing spa-like oasis that will increase HDL levels when it replaces your typical sugar-sweetened beverages.
Although your cholesterol levels are partially determined by your genetics, these tips above can help you increase your HDL levels naturally! Also, don’t forget to visit your doctor every few years to have your cholesterol checked and have a blood panel conducted. Your doctor can use this information to treat any early conditions you may have. After all, high cholesterol levels don’t show any symptoms!
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
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