Posts Tagged ‘cholesterol’

How to Choose a Yoga Video: Healing, Gentle and Power Yoga Titles Compared

by on Friday, April 1st, 2011

The old version of this post said there were more than a hundred yoga videos on the market, “from nude yoga to postnatal yoga,” and then reviewed two of them. Today there are far more, on DVD, streaming apps and video sites, and the old reviews are worth reading mainly for what they teach about choosing one. Below I keep the useful points from those reviews and remove the health claims the research does not support.

Why are there so many kinds of yoga videos?

Yoga is practiced in many styles, from slow, restorative sessions to fast-moving power yoga, so videos range from relaxing stretches to workouts that leave you sweating. The label on the box rarely tells you how hard a video really is. Reading the description, checking the length and watching a preview are better guides than the title alone.

What did the old post say about a “healing yoga” video?

It described a 35-minute video for common health conditions, presented by two instructors who take turns demonstrating. It was split into three parts: breathing and stretching, strength poses such as downward-facing dog, and relaxation. The reviewer liked the calm voices, the clear explanations, the modifications that make poses easier, and the fact that none of the poses was very difficult. I have not been able to confirm the instructors’ names or that this video is still sold, so I have left them out.

The old description also said that the video “promises” to improve circulation, to help with diabetes symptoms and cholesterol, and to boost metabolism. A video cannot promise that. According to the National Center for Complementary and Integrative Health, research suggests that yoga may help with stress, neck pain, headaches and some other problems, but it is not a replacement for medical care. If you have diabetes or high cholesterol, ask your health care provider before you start, and see our post on yoga and type 2 diabetes for what the research shows.

What about a power yoga video “for beginners”?

The second video reviewed was a 20-minute power yoga session led by Rodney Yee, set against mountains in Maui, built around a series of sun salutations. The reviewer’s warning is still good advice: do not assume that “for beginners” means easy. The workout was short but demanding, with poses that need upper-body strength, and the reviewer complained that the teacher never showed an easier version of each pose or explained how to build up to them. That is the biggest weakness a yoga video can have, because there is no teacher in the room to adjust you. I could not confirm which Rodney Yee title was meant, so use this as a lesson rather than as a recommendation.

How do you pick a safe video?

The NCCIH says yoga is generally safe for healthy people when it is done properly under the guidance of a qualified instructor, and that learning on your own without supervision has been linked to a higher risk of injury. The most common injuries are sprains and strains, and older adults need to be especially careful. A video is not a live teacher, so look for these things before you press play:

Does the instructor offer easier and harder versions of each pose? Are the instructions clear about where your knees, back and neck should be? Is the level honestly labeled, and can you do the first five minutes comfortably? Does the teacher have recognized training? Also stop if something hurts, and skip any pose you are not ready for. If you have a health condition, are pregnant, or are over 65, talk with your provider first.

Where can you read more?

Our guide to yoga videos and how to pick one that loosens tight muscles and our tips on choosing a beginner yoga video go into more detail, and learning yoga online covers websites and teachers as well.

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High Cholesterol: When Lifestyle Is Enough and When Medicine Helps

by on Wednesday, March 23rd, 2011

Nobody can lower cholesterol overnight, and a number of things that raise it are out of your hands. Still, there is a lot you can do, and for some people a doctor will add medicine on top. This post explains what pushes LDL, the so-called “bad” cholesterol, up, what lifestyle changes realistically do, and what you should know about statins before you talk to your doctor.

What makes LDL cholesterol rise?

Some causes you cannot change. Your cholesterol tends to rise as you get older, and after menopause a woman’s risk goes up because her levels of protective female hormones fall. High cholesterol also runs in families, and an inherited condition called familial hypercholesterolemia causes very high levels from an early age. Diabetes, kidney disease and some medicines can raise LDL as well. The causes you can change are mainly what you eat, how much you move and your weight. A diet rich in saturated fat from fatty meat, full-fat dairy and fried or processed food raises LDL more than anything else in the diet, according to MedlinePlus.

Can you lower it instantly?

No. The idea that diet and exercise are “a waste of time” because they do not work at once is a myth. Eating less saturated fat, adding fiber from oats, beans and fruit, losing extra weight and moving more all lower LDL gradually over weeks and months, and they also help your blood pressure and blood sugar. Your doctor will usually repeat the blood test after a few months to see how far you have come. Start with our guides on what you can do to lower your cholesterol, how to lower cholesterol through diet and exercise and cholesterol.

When do doctors add medicine?

If changes to your lifestyle do not bring your LDL down enough, or if your risk of heart disease is high, your doctor may prescribe a statin. Statins lower LDL by slowing down how much cholesterol the liver makes, and they help the liver remove LDL already in the blood. Studies have shown that they lower the risk of heart attack and stroke in people with high LDL. Statins usually cause no side effects. They may raise the risk of type 2 diabetes, mostly in people who are already at high risk of it, and they can cause abnormal liver blood tests, although real liver damage is very rare. Muscle damage is also rare. You should not take statins if you are pregnant or breastfeeding. Grapefruit and grapefruit juice can interfere with some statins, so ask your doctor or pharmacist. See the MedlinePlus page on statins for more detail.

You may see exact percentages quoted for one brand-name statin in drug company announcements. Results differ with the drug, the dose and the person, so do not expect to match a figure from an advertisement. Other medicines exist too, such as ezetimibe, which blocks cholesterol absorption in the gut, and bile acid sequestrants. Which one suits you is a decision for you and your doctor.

What should you tell your doctor?

Before you start any cholesterol medicine, tell your doctor about any liver or kidney problems, and whether you are pregnant or planning to be. Mention how much alcohol you drink, whether high cholesterol or early heart disease runs in your family, and whether you have diabetes, a thyroid condition or a past heart attack or stroke. List every other prescription, over-the-counter medicine and supplement you take, including antacids. Mild side effects such as an upset stomach or muscle aches should be reported, and they often settle or improve if the drug or dose is changed.

Which cooking oil is best?

Some articles claim that coconut oil is the best oil for cholesterol. That is not what the evidence shows. A 2017 advisory from the American Heart Association found that coconut oil raises LDL cholesterol, as butter and palm oil do, and it advises against using it. The advisory recommends replacing saturated fats with unsaturated ones, and olive oil, which is low in saturated fat, is one good choice. Other plant oils such as canola, sunflower and soybean oil also work.

The bottom line: aim to change your habits first, have your cholesterol checked regularly, and treat medicine as an extra tool when your doctor thinks you need it, never as a replacement for healthy eating and exercise.

Book: Lower LDL Cholesterol Naturally with Food by Michael Greger and Kristine Dennis
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How a Good Diet Can Lower Cholesterol: One Example Day

by on Saturday, February 12th, 2011

A good diet can lower cholesterol

Take James, a father of two, who went for a routine medical check-up. He exercised moderately and loved to eat, but everything was about to change when his results came back.

What did the results show?

His LDL cholesterol, the type often called “bad” cholesterol, was well above the recommended level. The doctor said that if nothing changed, James could soon suffer from high blood pressure, a heart attack or a stroke. As a father of two, he took the warning very seriously, because he wanted to keep providing for his family.

What did the doctor change?

James had been exercising twice a week, and the doctor advised him to do more. He started exercising four times a week and added other activities to help lower his cholesterol. Health authorities recommend at least 150 minutes of moderate activity a week for adults.

The doctor also pointed out that there is no use in exercising more if what you eat does not change, because the food you burn off is just replaced by the next meal. James was referred to a dietitian, who went through his usual foods with him. The ones that were high in saturated fat were set aside and replaced with healthier choices.

What did a day of eating look like?

The plan looked simple. James would eat food that was low in saturated fat and no longer rich in refined carbohydrates.

Breakfast: Because his LDL was high, the dietitian suggested egg whites instead of whole eggs, unsweetened tea in place of his morning coffee, and cereal with fat-free milk when he ate with the kids.

Lunch: Skinless chicken or a small portion of lean meat with plenty of vegetables and side dishes. Vegetarians can swap in beans, lentils or tofu.

Snack: It takes time to adjust, and anyone new to this will feel hungry in the late afternoon. Carrot sticks or an apple are a much better choice than a donut that is full of sugar. Instead of cola, he drank water or an unsweetened drink.

Dinner: Fish, or pasta with vegetables on the side. There was no need to fill up, since he would be sleeping for the next six to eight hours.

Alcohol: James gave up beer. A small glass of wine with dinner may be acceptable for people who already drink and whose doctor agrees, but if you do not drink, do not start.

James also learned to make good choices when eating out or at gatherings. For someone at risk of heart disease or high blood pressure, there is no room for slipping, and the whole family benefited from the change.

What was the result?

At the follow-up check-up, James’s cholesterol had improved, with his LDL much lower than before. The plan he chose is only one of many. It can take some time to find the right one, but lowering your cholesterol is well worth the effort.

What can you learn from his story?

The American Heart Association recommends that people with high LDL cholesterol limit saturated fat to less than 6% of their calories, which means about 13 grams a day on a 2,000-calorie diet. Swap butter, full-fat cheese and fatty meat for olive oil, nuts, beans and oats, and have your cholesterol checked again to see the effect. Read more in our posts on how to lower cholesterol through diet, a diet to lower cholesterol, eating to lower cholesterol with oats, fruit, beans and healthy fats, and exercise and cholesterol.

Fiber, Plant Sterols and Everyday Foods: Natural Ways to Bring Cholesterol Down

by on Tuesday, February 8th, 2011

If you have been told that your cholesterol is high, it is natural to ask what you can do without medicine. Weight, food and exercise all play a part, and the changes are not as drastic as many people fear. You do not have to give up all the foods you enjoy. You mostly add some new ones and eat less of others.

Does your weight affect your cholesterol?

It does. MedlinePlus notes that being overweight can raise your LDL (“bad”) cholesterol and lower your HDL (“good”) cholesterol. Weight often creeps up with age, bigger portions and less activity, and the cholesterol numbers can follow. The good news is that you do not need to lose a lot. The National Heart, Lung, and Blood Institute says that adults with overweight or obesity can lower LDL and raise HDL by losing only 3 to 5 percent of their weight, which is why exercise is so often paired with a change in diet. See our post on exercise and cholesterol for how to get started.

Which foods help most?

Soluble fiber is the star. It helps stop your digestive tract from absorbing cholesterol, and MedlinePlus suggests aiming for 10 to 25 grams a day. Good sources are oatmeal and oat bran, apples, bananas, oranges, pears and prunes, and legumes such as kidney beans, lentils and chickpeas. Whole grains, vegetables, fruit and nuts also fit a heart-healthy plan, because they replace foods that are high in saturated fat. No single food will transform your numbers; it is the whole pattern that counts. For ideas you can try this week, read oats, fruit, beans and healthy fats and everyday swaps that help lower cholesterol.

What are plant sterols and stanols?

These are natural substances in plants that block some of the cholesterol in your gut from being absorbed. MedlinePlus says to aim for about 2 grams a day. They occur in whole grains, nuts, legumes and oils such as olive and avocado oil, and some foods, such as certain margarines, orange juices and breads, have them added. You will see this on the label. Do not use them as a substitute for a healthy diet or for medicine your doctor has prescribed.

Do apples or red wine lower cholesterol?

You may have read that apple juice or apples can cut cholesterol by up to half. I could not find a reliable source for a result like that. Apples are on MedlinePlus’s list of foods high in soluble fiber, and they are a good snack, but they are one part of a diet, not a cure. Red wine is similar. It is often said to be good for the heart, but MedlinePlus says that alcohol adds calories and can raise blood pressure and triglycerides, and that it is best not to drink at all. If you do drink, keep it modest, and talk to your doctor if you have high cholesterol.

When is medicine needed?

If diet and activity do not bring your numbers down enough, or if your risk of heart disease is high, your doctor may suggest medicine, most often a statin. The NHLBI says that statins have been shown to lower the risk of heart attack and stroke in people with high LDL. How much a medicine lowers LDL differs from person to person, so ask your doctor what to expect and which side effects to watch for. Our post on high cholesterol: when lifestyle is enough and when medicine helps has more.

Finally, have your cholesterol checked as often as your doctor recommends, and pay attention to what you eat at home and in restaurants, where portions and cooking fats are harder to control. Choose grilled or baked dishes, ask for sauces on the side and fill half your plate with vegetables.