While cholesterol is normally kept in balance, an unhealthy diet high in hydrogenated fats and refined carbohydrates can disrupt this delicate balance, leading to increased cholesterol levels. This imbalance is manifested in elevated LDL (bad cholesterol) and low HDL (good cholesterol), which increases the risk of heart attack or stroke. Other causes can include physical inactivity, diabetes, stress and hypothyroidism.
Paying close attention to what you eat can help you reduce your risk of developing atherosclerosis. Atherosclerosis is the narrowing of arteries caused by plaque build-up inside the arteries. As the arteries narrow, blood can't flow properly through the arteries. Theis can lead to a heart attack or stroke. If the artery-clogging process has already begun, you may be able to slow it down by making changes in your lifestyle, including your diet.
HDL serves as a chemical shuttle that transports excess cholesterol from peripheral tissues to the liver. This pathway is called the RCT system. In this system, plasma HDL takes up cholesterol from the peripheral tissues, such as fibroblasts and macrophages. (A study by El Khoury et al indicated that in persons with HALP, macrophages have an increased plasma cholesterol efflux capacity.  ) This may occur by passive diffusion or may be mediated by the adenosine triphosphate (ATP)–binding cassette transporter 1. The latter interacts directly with free apo A-I, generating nascent, or so-called discoidal, HDL. Cholesterol undergoes esterification by lecithin-cholesterol acyltransferase (LCAT) to produce cholesteryl ester, which results in the production of the mature spherical HDL. Cholesterol is also taken up from triglyceride-rich lipoproteins in a process mediated by a phospholipid transfer protein (ie, CETP). [19, 20, 21, 22]
Too much cholesterol in the blood builds up on artery walls causing hardening of the arteries (atherosclerosis). The buildup of cholesterol narrows arteries, slowing or blocking the flow of oxygen-carrying blood to the heart, which can manifest as chest pain. If blood flow to the heart is cut off because of clogged arteries, the result is damage to the heart muscle – a heart attack.
Extra pounds increase your odds of having high LDL cholesterol levels and can lead to the development of heart disease, so you shouldn’t wait to lose weight. But you don’t need to lose a lot to improve your cholesterol levels. According to Healthline, any weight loss can increase your HDL cholesterol, while decreasing LDL levels. No matter how much you want to lose, start by making small changes. Reach out to a friend when you’re upset instead of reaching for Ben & Jerry’s. Munch on fresh fruit or vegetables instead of chips or cookies. And park at the farthest spot in the parking lot to sneak in a bit more activity. All of these little changes can add up to big results.
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.
However, although low levels of HDL predict increased cardiovascular risk, particularly in healthy individuals with no history of cardiovascular events, the relationship between HDL and CHD risk is complex, with HDL-C and cardiovascular disease having a nonlinear relationship. For example, research found that HDL levels above approximately 60 mg/dL showed no further improvement in prognosis, and the EPIC (European Prospective Investigation into Cancer and Nutrition)-Norfolk and IDEAL (Incremental Decrease in End Points through Aggressive Lipid Lowering) studies showed that very high levels of HDL may actually be associated with an increased risk of atherosclerotic disease. [5, 6, 2]
Niacin can be taken at lower doses rather than prescription levels, but supplementation can cause unwanted niacin side effects, especially when taking at high dosages. Some negative results of taking niacin include experience flushing, an uncomfortable feeling of heat, itching or tingling in the skin. Other side effects can include gastrointestinal, muscle and liver problems.
While diet and exercise should be your two main options for fighting off LDL cholesterol, you can also look into the various dietary supplements that are on the market today. Consider omega-3 fish oils, artichoke extract, and green tea extract. Keep in mind that these natural products have not been fully proven to reduce your level of LDL cholesterol, but they may be able to help along the way.
Obesity results not only in increased LDL cholesterol but also in reduced HDL cholesterol. If you are overweight, reducing your weight should increase your HDL levels. This is especially important if your excess weight is stored in your abdominal area; your waist-to-hip ratio is particularly important in determining whether you ought to concentrate on weight loss.
“If your LDL levels are still too high after trying these 6 nutrition-based approaches, talk to your doctor about cholesterol-lowering medications like statins, but give these 6 tips your best shot,” encourages Dr. Danine Fruge, MD, ABFP, Medical Director at the Pritikin Longevity Center. “The right eating plan, like Pritikin, can be powerfully beneficial – and there are no adverse side effects.”
But keep in mind that not all cholesterol is created equally. LDL cholesterol, also known as “bad cholesterol,” is the form that can build up on the artery walls and increase your risk of heart disease. HDL cholesterol, on the other hand, is often dubbed “good cholesterol” because it travels through the bloodstream, removing harmful cholesterol from the arteries to help enhance heart health.
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
Avoid trans-fatty acids. These heart-damaging fats can reduce HDL (“good”) cholesterol levels and raise levels of LDL (“bad”) cholesterol. The tip-off that trans-fatty acids are present in foods is the listing of “partially hydrogenated oil” on a food’s ingredient list. Trans-fats are found in many brands of margarine and in most heavily processed foods, as well as in snack foods such as chips, crackers and cookies, and in the oils used to cook fast-food French fries, doughnuts and movie popcorn.
If you’re getting worked up over high cholesterol, then start working out. Daily exercise can help raise your HDL cholesterol levels and reduce your LDL cholesterol, while protecting you from many health conditions. Begin by choosing an activity that sounds like fun to avoid “workout burn-out.” Consider jogging, brisk walking, cycling, tennis, swimming or hitting the gym. Find an exercise partner to make the activity more enjoyable and help you stay on track. And while exercise can lower your cholesterol, it can also reduce your stress and anxiety. So working up a sweat can also save you from sweating the small stuff.
Green, leafy vegetables, esp. kale, collards, swiss chard are a few vegetables which help. Fiber in apples (pectin) may reduce LDL levels. It is VERY important to eliminate all forms of sugar for a few weeks, reintroduce (ONLY one for a month or so) a slightly sweet food, and switch different types of sweet foods to see which sweet food is more tolerable.
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.
Grabbing a plum to snack on during the day is a sweet way to keep your cholesterol levels in check: The fruit contains anthocyanins — a.k.a. antioxidants — that help out your heart by lowering blood pressure and cholesterol. According to one study, eating three or more servings of anthocyanin-rich fruit each week can lower your heart attack risk by 34 percent.