Rabu, 25 Januari 2012

Diet Halang Barah

How does diet help prevent cancer?
I believe in the value of overall good nutrition and that the careful use of supplements provides the most benefit in fighting cancer. Cancer starts with a single cell that gets out of control. Cancer promoters, called carcinogens, include viruses and chemicals, as well as lifestyle and environmental factors such as air pollution, smoking, lack of exercise and poor diet. No single food or nutrient causes or prevents cancer. However, there are steps that will help reduce your risk for cancer.
Cancer fighting requires a plant-based diet.
Vegetables and fruits have a complex composition with a great many vitamins, minerals, fibers and other beneficial substances. Phytochemicals are plant chemicals that offer protection from cancer. Phytochemicals are substances that plants naturally produce to protect themselves against viruses, bacteria, and fungi. Some of these naturally occurring substances are cartenoids, flavonoids, indoles, isoflavones and protease inhibitors. Many different plant foods supply different kinds of protection.
Some of the primary phytochemicals are: Allyl sulfides found in onions and garlic. Ellagic acid found in strawberries, raspberries, blackberries, cranberries, walnuts and pecansFlavonoids found in green tea, citrus fruit and red grapes. Lycopene found in tomatoes, tomato products and red grapefruitPhytoestrogens found in soybeans and grains. Resveratrol found in peanuts.
Free radicals are the by-products of cells burning oxygen. Free radicals damage body cells and tissues, as well as DNA, which is your body's master plan for reproducing cells.
Antioxidant vitamins and selenium, a mineral, are effective in neutralizing free radicals. The antioxidant vitamins are Vitamin A, E and C.
Beta-carotene turns into Vitamin A in the body. This is supplied by dark green and deep orange fruits and vegetables: carrots, sweet potatoes, pumpkin, winter squash, bok choy, broccoli, spinach and vegetable juices.
Vitamin C is contained in oranges, cantaloupe, strawberries, papaya, kiwi, red bell pepper, broccoli and brussel sprouts.
Vitamin E is found in wheat germ, almonds, walnuts, sunflower seeds and vegetable oils.
Selenium is present in seafood, lean meats and whole grains.
Your diet is an important part of your defense against cancer. Eating the right kinds of food, everyday, can help you feel better and stay stronger.

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