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Thanks for the nice comment: The first week was really tough and I had a hard time, but I stuck to it. Consistent with cognitive epidemiological data, numerous studies confirm that obesity is associated with cognitive deficits. Arteriosclerosis, Thrombosis, and Vascular Biology Review. International markets remain largely untapped. Journal of the American Dietetic Association. Medical illnesses that increase obesity risk include several rare genetic syndromes listed above as well as some congenital or acquired conditions:

How Much Exercise Does It Take To Lower Cholesterol?

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In Minnesota's worst measles outbreak, a battle of beliefs over vaccines May 4. You may have heard that exercise is one of the best ways to lower your cholesterol. But how does it work? And what type of exercise is most effective?

Researchers aren't entirely sure how exercise lowers cholesterol , but they are beginning to have a clearer idea. One way exercise can help lower cholesterol is by helping you lose -- or maintain -- weight. Being overweight tends to increase the amount of low-density lipoprotein LDL in your blood , the kind of lipoprotein that's been linked to heart disease. Part of the confusion about the effect of exercise on cholesterol stems from the fact that most early cholesterol studies focused on both exercise and dietary changes, making it hard to tease out which of these factors was actually making the difference.

But recent studies have more carefully examined the effect of exercise alone, making it easier to evaluate the relationship between exercise and cholesterol. Researchers now believe there are several mechanisms involved. First, exercise stimulates enzymes that help move LDL from the blood and blood-vessel walls to the liver. From there, the cholesterol is converted into bile for digestion or excreted.

So the more you exercise, the more LDL your body expels. Second, exercise increases the size of the protein particles that carry cholesterol through the blood.

The combination of protein particles and cholesterol are called "lipoproteins;" it's the LDLs that have been linked to heart disease.

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