Posts Tagged ‘cholesterol’

Can You Lower Cholesterol Naturally? What Works, What Is Unproven and When to Add Medicine

by on Thursday, June 9th, 2011

The old version of this post said that high cholesterol is a growing problem, that heart disease is “highly preventable,” and that lowering cholesterol naturally is possible through diet, exercise and supplements. That is partly true, and this rewrite keeps the question and checks each part against reliable sources.

Why does cholesterol matter?

MedlinePlus explains that too much cholesterol in your blood can stick to the walls of your arteries and narrow or even block them, which raises your risk of coronary artery disease and other heart diseases. According to the CDC’s National Center for Health Statistics, heart disease was the leading cause of death in the United States in 2023, with 680,981 deaths, or 22.0 percent of all deaths. The old post said heart disease is “highly preventable.” A healthy lifestyle lowers your risk, but it cannot guarantee that you will avoid it, especially if your genes or other conditions are involved.

Which natural steps have good evidence?

The National Heart, Lung, and Blood Institute lists these lifestyle changes for lowering LDL (“bad”) cholesterol:

Eat heart-healthy foods, such as in the Therapeutic Lifestyle Changes (TLC) and DASH eating plans, which limit saturated fat and favor whole grains, fruits, vegetables and nuts. Get regular physical activity, which can lower LDL and triglycerides and raise HDL (“good”) cholesterol. Aim for a healthy weight, because losing only 3 to 5 percent of your body weight can lower LDL and raise HDL. Manage stress, quit smoking, sleep 7 to 9 hours a night and limit alcohol. This matches the old post’s advice on diet, exercise and quitting smoking, and adds weight, sleep and stress.

What about the foods the old post named?

The old post recommended soy products, vegetables, fruit and high-fiber foods. MedlinePlus agrees that soluble fiber helps prevent your digestive tract from absorbing cholesterol, and suggests 10 to 25 grams a day from foods such as oatmeal, oat bran, apples, oranges, pears, beans and lentils. It also recommends keeping saturated fat below 7 percent of your daily calories. For a food-by-food guide, see eating to lower cholesterol with oats, fruit, beans and healthy fats.

Do niacin and lecithin work?

The old post said B-complex vitamins, niacin in particular, and lecithin can lower cholesterol. This is the weakest part of the old text. Niacin in doses high enough to affect cholesterol is a drug-level dose and should be used only under a doctor’s supervision, and I could not find solid evidence that lecithin supplements lower cholesterol. Our post on cholesterol, vitamins and drugs looks at the evidence for both.

When is medicine needed?

The old post said drugs are mostly for high-risk patients. The NHLBI puts it differently: your provider may recommend lifestyle changes and medicines, and the plan depends on your cholesterol levels, your risk of heart disease, other medical conditions and your lifestyle. Statins are the most common medicine and, according to the NHLBI, lower the risk of heart attack and stroke in people with high LDL cholesterol. If you have a strong family history of high cholesterol, lifestyle changes may not be enough on their own. Never stop a prescribed medicine without talking to your provider.

What should you do next?

Ask for a cholesterol test and learn what the numbers mean in understanding your cholesterol numbers. Add exercise and cholesterol to your routine, and use the CDC’s data brief on U.S. deaths in 2023 as a reminder of why it matters.

Eating Right for Your Cholesterol: Cut Back on Fried Food and Cook Smarter

by on Monday, June 6th, 2011

Big portions, fried snacks and fast food have changed how many of us eat, and our arteries pay for it. Too much saturated fat and too many calories lead to high LDL cholesterol, weight gain, high blood pressure and a higher chance of heart disease and stroke. The encouraging part is that most of this can be changed in your own kitchen, one habit at a time.

Do diet and exercise both matter?

Yes, and they work best together. Eating better helps your cholesterol, and regular activity helps it too: the National Heart, Lung, and Blood Institute notes that physical activity can lower LDL and triglycerides and raise HDL, the “good” cholesterol. Adults need at least 150 minutes of moderate activity a week, such as brisk walking, and our post on exercise and cholesterol explains how activity changes your numbers. If you have been inactive or have a heart condition, ask your doctor what level is right for you, and build up gradually. See the NHLBI page on treating high cholesterol for more.

Why eat less fried food?

Fried food, such as chips, fries, fried chicken and fried fish, soaks up oil and adds many calories. The oil itself, if it comes from plants, contains no cholesterol, but the batter, the animal fat and the extra calories all work against you, and frying often goes together with saturated fat. Cooking methods that need little fat are better: boiling, steaming, baking, braising and grilling. Grilled food is fine too. Our post on foods to avoid to lower cholesterol lists more of the usual culprits.

What about meat and poultry?

Fatty meat and the skin on poultry are rich in saturated fat. If you eat meat, choose lean cuts, trim visible fat and take the skin off chicken or turkey. Even better, eat meat less often and replace it with beans, lentils, tofu or fish. Plant foods contain no cholesterol, and they add fiber.

Why are vegetables so useful?

Vegetables have no cholesterol and almost no fat, and they are a good source of fiber, vitamins and minerals. Eat them raw, steamed or lightly sautéed rather than fried or covered in a rich sauce, and try to fill half your plate with them. Oils and creamy dressings can turn a healthy salad into a high-fat dish, so use them sparingly.

Does portion size matter?

It does. Eating a bit less at each meal, and cutting out extra snacks, helps you lose weight, which is closely tied to cholesterol levels. If you do snack, reach for fruit, a few nuts or raw vegetables. For carbohydrates, such as rice, cereal and bread, choose whole-grain versions like brown rice and whole-wheat bread, which give you more fiber than refined ones.

What is a good way to start?

Do not try to change everything in one week. Pick one habit, for example a baked rather than fried dinner three nights a week, and keep it up for a month before you add another. See our example of a day of eating to lower cholesterol to see how this can look in real life, and talk to your doctor or a dietitian if your cholesterol is high. Regular checkups are the only way to know if your changes are working.

Yoga Videos by Fitness Level: Matching a Workout to Your Strength and Experience

by on Wednesday, May 11th, 2011

The old version of this post said that the poses of yoga have long been used as a foundation for athletic training, and that videos now exist for everyone from Olympic athletes to people who want “blissful relaxation.” It promised a look at four yoga tapes and then reviewed only two. Those two reviews are about workouts from the VHS and early DVD era, so I have kept their lessons and added what today’s research says about learning yoga on your own.

What do you need to start?

The old post says all you need is comfortable clothes and a non-skid surface such as a sticky mat. That still holds. Cleveland Clinic’s guide to yoga props agrees that a mat helps stop you from slipping, and a blanket or a towel can stand in for other props. If you are new to yoga, our guide to warming up, breathing and listening to your body is a good first read.

What was the “boot camp” video like?

The first video was an 85-minute power yoga class led by a Los Angeles teacher, with 13 students working through continuous movement meant to build strength and endurance. It had a five-minute introduction to basic poses, but the reviewer said the rest of the class was extremely hard for anyone who is not very fit, and that the teacher paid little attention to the beginner struggling at the back of the class. The reviewer’s test was blunt: unless you can do push-ups, balance on one leg without difficulty and have a strong core, pick an easier video. That is a useful self-check, though I would add that you should stop whenever you feel pain, sharp strain or dizziness.

What made the second video work better?

The second video was a 55-minute strength-and-endurance class in the Yoga Zone series, led by Lisa Bennett, and it followed one beginner and one more advanced student. The reviewer liked that the teacher spent time showing the beginner modified versions of the poses so she could finish every section, and that veterans could learn from the harder options. She also praised the teacher’s clear descriptions of good form, down to the angle of a bent knee and the direction of an extended arm, and her calm, encouraging manner. Those three things (modifications, form cues and a calm teacher) are what to look for in any video.

Are videos as safe as a class?

Not always. The National Center for Complementary and Integrative Health says that yoga is generally safe for healthy people when it is done properly under the guidance of a qualified instructor, and that learning yoga on your own without supervision has been associated with increased risks. The most common injuries are sprains and strains. Older adults, pregnant women and people with conditions such as knee or hip injuries, severe high blood pressure or glaucoma should talk with a health care provider first. If you choose a video, start with a beginner session, follow the modified versions and avoid extreme moves such as headstands until a live teacher has checked your form.

How hard should a workout be?

The U.S. Physical Activity Guidelines count active forms of yoga, such as vinyasa or power yoga, as moderate-intensity activity, and recommend that adults get 150 to 300 minutes of moderate aerobic activity a week plus muscle-strengthening activity on two or more days. A gentler, more meditative style such as hatha is a better fit if you want relaxation. The video linked at the end of this post is a beginner-level yoga video. For a longer discussion, read our posts on choosing a yoga video for beginners and yoga videos that loosen tight muscles; our guide to the posture basics explains the poses that videos use.

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Making Yoga a Lifetime Habit: How to Keep Going When Life Is Busy

by on Sunday, May 8th, 2011

Starting an exercise habit is easy. Keeping it going for years is the hard part. Older articles on yoga for business people claimed that executives who practice mind-body exercises stay with them longer than those who go to the gym. I could not find published results of such a study, so I will not repeat the claim as fact. What we can say is more practical: there are good reasons to make yoga part of your routine, and simple ways to stay with it.

How much activity do you need?

The Physical Activity Guidelines for Americans say that adults should do at least 150 to 300 minutes a week of moderate-intensity aerobic activity, such as brisk walking, plus muscle-strengthening activity on two or more days a week. The first edition counted only bouts of at least 10 minutes, but the second edition removed that requirement to encourage people to move more often throughout the day. That is good news for a busy schedule: a five-minute stretch counts as part of a more active day. Yoga alone does not meet the aerobic target, so most people will want to add walking or another activity. The National Institute on Aging lists yoga as one example of balance exercise, which also matters for staying independent as you age.

Does yoga help people take up other healthy habits?

There is some evidence. NCCIH reports a 2021 study of 60 women with obesity who were assigned to 12 yoga sessions or a waiting list. The effect of yoga on their body mass index depended on changes in physical activity and in daily fruit and vegetable intake, so the benefit seemed to come partly through other habits. A 2018 survey of 1,820 young adults found that regular yoga was associated with better eating and activity habits, and the people who answered said yoga made them more mindful and encouraged them to be more active. These studies show an association, not proof that yoga causes healthier living, but they fit the common experience that one good habit can pull others along.

How can you build the habit?

These ideas are general advice for forming habits, not findings from a yoga study. Start small: ten minutes a few times a week is better than an hour you never find time for. Attach it to something you already do, such as stretching after you brush your teeth or doing a few poses before your first coffee. Put it in your calendar like a meeting. Keep a mat or a chair in view. Try a class if you like company, since having someone expecting you makes it harder to skip. Vary it, too: a gentle morning routine such as the one in our beginner’s guide on some days, and a longer session on a weekend.

What if you miss a week?

Just begin again. The point of the guidelines is that the total across a week and a year matters more than any single session, so do not wait for the perfect Monday. If you stopped because of an injury or illness, return gradually and talk to a doctor if you are unsure. Remember the basics of safe practice from NCCIH: learn from a qualified instructor, avoid extreme poses while you are new, and tell your teacher about any health condition.

Where do you go from here?

If you are new, read about what yoga is and try the basic yoga postures. When you want to build your fitness more widely, see lifetime fitness for a plan that lasts. A habit that you enjoy is one you keep, so choose what suits you and let it grow.

What to Eat to Lower Your Cholesterol

by on Tuesday, April 19th, 2011

What to eat to lower your cholesterol

High cholesterol is becoming a growing problem in the population. The rising number of Americans with high blood pressure and heart disease is ringing alarm bells in the country’s health sector. Health officials are working hard to slow the rise and to make people aware of their eating and exercise habits.

Understanding cholesterol

Although high cholesterol is a major cause of heart disease, not all cholesterol is bad. In fact, the body needs some cholesterol to make bile salts, vitamin D and hormones such as oestrogen and testosterone.

There are two main kinds of cholesterol, the good and the bad, as most people like to call them. The bad cholesterol, LDL, is raised by eating saturated fats and trans fats. These are found in many processed and prepared foods, such as potato chips and some baked and packaged foods.
LDL cholesterol sticks to the walls of the arteries. High levels of LDL can form plaques in the artery walls that may eventually narrow the arteries and slow the flow of blood. This makes the heart work harder and raises the risk of coronary heart disease, heart attack and stroke.

What to eat

The good cholesterol, HDL, helps lower LDL by carrying cholesterol back to the liver, where it is removed from the body. HDL is made by the body and is not found in food, but healthy fats such as those in fish and nuts help keep your cholesterol balance healthy.

Fruits and vegetables also help lower cholesterol. Plant foods contain no cholesterol at all, so eating them does not add to your levels.

Another important thing about fruits and vegetables is that they are excellent sources of fibre, which your body needs to keep LDL cholesterol in check. Berries, citrus fruits and carrots are just some of the foods you can count on.

Another food that can lower cholesterol levels in the body is soy. A well-known study at the University of Toronto combined fibre-rich foods, soy, almonds and plant sterols and lowered the participants’ LDL cholesterol by roughly 29 percent in a one-month study where the food was provided, and by about 13 percent in a later six-month study of everyday diets. Oats, barley and olive oil are also great ways to lower LDL.

Foods that are very oily, especially deep-fried foods, are another source of the fats that raise LDL. To lower your LDL, cut down on deep-fried foods. If you do fry, use a vegetable oil such as olive or canola oil.

Use butter sparingly, as it is high in saturated fat. Instead, use a vegetable oil or a soft spread that is free of trans fats. Try to steam, braise, grill or bake your food. You will find that it is tasty and healthier.

Not only diet

Several other factors affect cholesterol levels in the body. Besides your eating habits, these include age, gender, family history and of course the amount of physical activity you do.

Exercise is very important in keeping LDL cholesterol at bay. It also raises HDL and improves circulation.