Senin, 22 Maret 2010

The advantages of antioxidents

An antioxidant is a classification of organic substances, which contains vitamins A, C and E, selenium and carotenoids. Carotenoids give many fruits and vegetables their color. Beta-carotene is an example of a carotenoid. Antioxidants are also known to prevent the support of heart disease, stroke and even cancer effectively.

Antioxidants neutralize free radicals, the human body in the form of non-oxidized roaming oxygen molecules O2 or off. Free radicals are natural by-product of processes that occur within and between different cells in the body. Environmental factors such as tobacco smoke and radiation, including free radicals.

When free radicals are oxidized left to themselves, which can create carcinogens. The process can damage the cell walls, cell structures and genetic material within cells. Cell damage caused by scar tissue and then scar tissue) benign or malignant (cancer.

Antioxidants to deactivate free radicals before they oxidize a chance to get the body and cause damage. Despite numerous studies, no word yet on what groups of people, if appropriate, the benefits from antioxidants. However, it is known that antioxidants in preventing cancer and heart disease are critical.

Studies have also shown that smokers with diets high in carotenoids have a lower rate of lung cancer than those with a lower dose, but some smokers with a diet rich in beta carotene, have a higher mortality rate. Vitamin C has been shown to prevent the formation of carcinogenic N) compounds (nitrates and nitrites found in preserved meats and in some drinking water. The elderly, especially those that may be related to food intake has decreased, frequent aspirin users, heavy drinkers and people with compromised immune systems benefit from taking antioxidants daily. As for heart disease and stroke, it is possible that higher levels of antioxidants slow or prevent the oxidation of cholesterol which leads to the development of blocked arteries.

For more information on cancer, heart disease and antioxidants you can use the National Cancer Institute at 1-800-4-CANCER. And the National Institutes of Health at (301) 251-1222. Or ask your doctor to create a diet rich in antioxidants and / or antioxidants.

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