How does poor diet affect the function of the circulatory system?

Can i just have a brief and detailed answer about how diet affects the function and structure of the circulatory system and plz include more then a sentence! thanks!

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The foremost researcher in the field of the human vascular system in a clinical setting is Dr. Caldwell Esselstyn, Jr. of the Cleveland Clinic. His work is supported well by the respected nutrition researcher Professor T. Colin Campbell who wrote the book "The China Study." Campbell discovered that rural Chinese who could not afford animal protein had negligible rates of cancers, diabetes, osteoporosis, and vascular diseases. They lived on cheaper plant based foods such as rice, greens, beans, and vegetables. Of course there are diseases that correlated with poverty such as malnutrition, but a well fed pure vegetarian has superior health and longevity. Americans are resistant to such assertions because of constant messaging that originates with the corporate food industry in the United States.

The Standard American Diet (SAD) is high in fat, sugar, refined oils, refined carbohydrates, salts, food additives, dairy, and meat. Not surprisingly, the longest lived populations are those who do not consume these foods. The animal fats and the fats in refined oils are the most problematic issue related to SAD. These saturated fats and cholesterol tend to collect in the vascular system reducing blood flow in arteries and resulting in the body elevating blood pressure. The body attempts to force required blood through narrowed blood vessels. Cholesterol is produced by the body and sometimes to excess. Most often unsafe levels of cholesterol are absorbed through diet. Drugs to reduce cholesterol (statins) do lower cholesterol, however, studies have failed to show that these drugs prolong the life of people who take them. A far more effective way to prevent vascular disease is to eat what''s known as a whole plant based diet.

The circulatory system will develop smaller ancillary arteries to provide another path for blood flow since the main arteries are becoming blocked. That''s how an artery can become totally blocked, but the patient is still able to function to some extent.

Even more insidious are the blockages that occur in the brain and the penis. The very small arteries in these organs can be blocked by cholesterol and saturate fats. This is a common cause of dementia and male impotence. Perhaps the risk of impotence is the most persuasive argument for young men to begin following a healthier pure vegetarian diet. For me, it was finding an attractive "vegan" woman.

Remember that a blood vessel can be thought of as a garden hose. If you restrict flow at the end of a garden hose it spurts out at a much higher pressure. Unhealthy eating results in a build up of material in blood vessels that constricts blood flow and results in higher blood pressure. Consuming salt is another problem because that causes the body to retain water to maintain a salt concentration in the blood. If you put more water in a garden hose, you can see it expand and increase in pressure. That happens to blood vessels as well.

A healthy diet will result in a healthier vascular system. This allows you to avoid vascular diseases such a strokes (blood vessel breakage in the brain), other broken blood vessels, and heart disease (lack of oxygen to the heart and death of muscle tissue).

If this is too simple an explanation, then I would go online to see Dr. Caldwell Esselstyn''s web site or check out his excellent book.

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