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Moderate Intensity Exercise Does Not Reduce Cholesterol
April 01, 2004Only high intensity exercise reduces cholesterol, heard the audience at a Physiological Society conference in Glasgow this week. According to a study conducted at Canterbury Christ Church University College, if you want to lower your cholesterol doing nothing is as good as undertaking moderate intensity exercise - neither has any effect.
There have been many studies linking the concentration of low-density cholesterol in the blood with heart disease. Along with the general population, those at risk of heart disease are usually advised to take exercise, but there is a lack of studies showing how intense that exercise should be to reduce the concentration of low-density cholesterol in the blood. In order to investigate this Gary O'Donovan and colleagues advertised for non-smoking, inactive male volunteers around the age of 40. The men were split randomly into three groups, one of which did no exercise, one group cycled gently to work off 400 Calories and the third group cycled very hard to burn off the same amount of calories. The exercise was repeated three times a week for more than 20 weeks. At the end of the study, the only group who had reduced their blood cholesterol concentration was the high intensity group.
Gary O'Donovan commented:
'In order to burn off the amount of calories these guys did you would need to walk for over an hour every day. These findings suggest you'd be far better off jumping on a bike for a short session three times a week.'
The US Surgeon General's report on physical activity and health recommends that people who are moderately active should include some vigorous activity in their exercise regimes. O'Donovan agrees with this view.
"These findings are in keeping with mortality data that consistently shows that vigorously active people enjoy lower risk of heart disease than moderately active people."
The study was funded by the British Heart Foundation.
Physiological Society, The
'In order to burn off the amount of calories these guys did you would need to walk for over an hour every day. These findings suggest you'd be far better off jumping on a bike for a short session three times a week.'
The US Surgeon General's report on physical activity and health recommends that people who are moderately active should include some vigorous activity in their exercise regimes. O'Donovan agrees with this view.
"These findings are in keeping with mortality data that consistently shows that vigorously active people enjoy lower risk of heart disease than moderately active people."
The study was funded by the British Heart Foundation.
Physiological Society, The
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Your Own Stem Cells Can Treat Heart Disease
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Vitamin B niacin offers no extra benefit to statin therapy in seniors already diagnosed with CAD
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Heart and bone damage from low vitamin D tied to declines in sex hormones
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