( Researchers have shown in a new study ...)Soy, Omega 3s convalesce artery health,Health

Researchers have shown in a new study, that soy can lower cholesterol and omega 3s improve arterial elasticity, henceforth the two new studies give more reason to dish up the soy protein and omega 3 fatty acids. Soy protein and omega 3 fatty acids, which are found in abundance in fish, //flax seed and some nuts, long have been enhanced for their health benefits. But researchers suggest they also produce physiological effects that benefit blood flow.

David Jenkins, a professor of medicine and nutritional science at the University of Toronto , in his study led by the scientists, looked at 20 men and 15 postmenopausal women all with elevated cholesterol levels. Study participants rotated through three one-month diets low in saturated fat.

In the first diet, the main sources of protein such as meats and fish were replaced with low-fat dairy products and an egg substitute. The other two diets consisted of low-fat soy milk and a variety of soy-base meat substitutes, such as tofu burgers and soy hot dogs -- with one diet containing high levels of isoflavones, a plant-based compound, and the other featuring low isoflavone levels. Body weight, blood lipids and blood pressure were measured before and after the diets.

Study results showed no significant differences in blood lipids and blood pressure between the high- and low-isoflavone soy protein diets. Low-density lipoprotein, or LDL, cholesterol -- the so-called "bad" cholesterol that clogs arteries was lower after the soy diets compared to the dairy-and-egg-substitute diet. One difference was blood concentrations of LDL were lower after the high-isoflavone diet.

The only significant difference between the sexes was greater blood pressure drops among the men after the high-soy isoflavone diet. Jenkins said it might be the whole soy protein and not just the isoflavones that are having this cholesterol-fighting benefit. According to Jenkins the effects of Isoflavones are relatively
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