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Exercise in Type 2 reduces fat in liver

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  • Exercise in Type 2 reduces fat in liver

    The entire article can be found here.

    Weekly bouts of moderate aerobic exercise on a bike or treadmill, or a brisk walk, combined with some weightlifting, may cut down levels of fat in the liver by up to 40 percent in people with type 2 diabetes, a study by physical fitness experts at Johns Hopkins shows.

    According to researchers, who will present their findings on Sept. 18 at the annual meeting of the American Association of Cardiovascular and Pulmonary Rehabilitation, in Indianapolis, high liver fat levels are common among people with type 2 diabetes and contribute to heart disease risk.

    The study's lead investigator, exercise physiologist Kerry Stewart, Ed.D., says the rise in the number of people with nonalcoholic fatty liver, mostly due to obesity, signals "a dark trend" because the disease, also called hepatic steatosis, may lead to cirrhosis and subsequent liver failure and transplantation, even cancer, as well as increased risk of diabetes-related heart disease.

    "People with type 2 diabetes have added reason to be active and to exercise, not just because it is good for their overall health, but also because our study results pinpoint a key benefit to trimming the fatty liver that complicates their illness and which could accelerate heart disease and liver failure," says Stewart, a professor of medicine and director of clinical and research exercise physiology at the Johns Hopkins University School of Medicine and its Heart and Vascular Institute.

    A majority of the quarter-million people who die each year from all kinds of diabetes do so as a result of some form of heart disease or stroke. And excess body fat is known to increase the likelihood of potentially life-threatening illness because the fat leads to more inflammation in the artery walls, high blood pressure and elevated blood cholesterol levels.

    Stewart says the team's study is believed to be the first to specifically demonstrate the beneficial role played by exercise in controlling hepatic fat levels in people with diabetes.

    In the study, 77 diabetic men and women in Baltimore, Md., were divided into two groups.

    For a six-month period, half of the study participants were put through a moderate program of sustained aerobic exercise consisting of 45-minute sessions three times a week. They could bicycle, run on a treadmill or take brisk walks. In addition, they lifted stacked weights for about 20 minutes, also three times a week, and not at a heavy-duty pace. The other half of the participants were asked to avoid any formal aerobic fitness or gym classes.

    Special magnetic resonance imaging scans performed at the start and end of the study showed much lower levels of liver fat in the active group, while levels remained the same in the nonexercising group (at 5.6 percent and 8.5 percent, respectively). Physical fitness exams were also done.

    Among the team's other findings were better measures in general fitness and fatness among exercisers when compared to the nonexercising group. Averages for peak oxygen uptake levels during treadmill testing, or V02 levels, were greater by 13 percent (25.1 milliliters per kilogram per minute, compared to 22.2 milliliters per kilogram per minute), muscles were stronger by 7 percent (lifting 216.7 pounds, as opposed to 202.8 pounds for seven exercises tested), while percentages of body fat and body weight were each lower by 6 percent (35.5 percent versus 33.2 percent, and 98.5 pounds versus 92.2 pounds, respectively). Even waistlines shrunk on average by 2 inches (39 inches, compared to 41 inches).

    "The benefits in improved fitness and fatness are clear, and physicians should really have all people with type 2 diabetes actively engaged in an exercise program," says Stewart, who plans to further promote moderate exercise through direct talks with referring physicians and through his monthly health blog to the public while he amasses more evidence about the benefits of exercise in people with the disease. An estimated 14 million Americans have been diagnosed with this most common form of diabetes, in which the body cannot use its own life-sustaining insulin and eventually stops producing it.

  • #2
    Thanks for posting the information.Exercises is always good for all types of diabetes. The article is resourceful and comforting.

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    • #3
      No matter what the exercise is, it looks as if there isn't ever any downside to doing it. I think that this is yet another reason to get us all to try and go for that walk!

      I just wish that there was a way to actually get people to exercise. I keep thinking that this society has to make doing physical activities more important to all of us. The schools still don't teach kids how important exercise is and no one is still taught the ways to exercise that will keep them healthy all their lives. Forget volleyball and team sports, I think walking and the like has to be taught and given time for kids to do while they are still in school.

      Only then there will be real hope for the future.

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      • #4
        thank you for providing the information
        also thank you for providing the link

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        • #5
          When your cholesterol levels cannot be reduced by means of diet and exercise. Fenofibrate is used to lower cholesterol (lipids) and triglycerides in the blood. Fenofibrate increases good cholesterol levels namely HDL. Also it decreases bad cholesterol levels namely LDL, thereby reducing the risk of atherosclerosis.

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          • #6
            Liver fat?

            How do they know the amount of fat you have on your liver?

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