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Mediterranean Diet Can Protect Us from Skin Cancer

by VR Sreeraman on August 18, 2010 at 4:28 PM
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 Mediterranean Diet Can Protect Us from Skin Cancer

Love basking in the sun, but scared of those harmful sunrays? Well, now there's a safer way to make fun in the sun safer-stick to a Mediterranean diet.

Dr. Niva Shapira of Tel Aviv University's School of Health Professions has shown that a diet rich in antioxidants and omega-3 fatty acids, like the diet eaten in Mediterranean regions where melanoma rates are extremely low, can help protect us from skin cancer.

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The sun's rays damage both the skin and the immune system by penetrating the skin and causing photo-oxidation affecting both the cells themselves and the body's ability to repair any damage, she explained.

Her prescription is to "go Greek" with foods such as olive oil, fish, yogurt and colorful fruits and vegetables to fight the oxidizing effect of the sun, as well as regular applications of sunscreen and appropriate body coverings such as hats, beach coverups, and other sportswear.
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Previous research demonstrated that the sun's UV rays damage the skin by exciting its molecules and causing them to become oxidized, said Shapira.

"My theory was that if you prepared the body with sufficient and relevant antioxidants, damage could be reduced," she added.

For a study at the Baltic Sea, Dr. Shapira and Prof. Bodo Kuklinski of Rostock University organized two groups.

One group was provided a drink high in antioxidants, while the other enjoyed beverages such as sodas.

Those who hydrated with the antioxidant-rich drink had fifty percent fewer oxidation products (i.e. MDA) in their blood at the end of the two-week period, which included five to six hours of exposure to the sun daily.

Further studies proved that these antioxidants, especially carotenoids - fruit and vegetable pigments like red from tomatoes and watermelons and orange from carrots and pumpkins that accumulate in the skin where they serve as a first line of protection - had delayed the phenomenon of skin erythema, which indicates the initiation of tissue and DNA damage that can lead to skin cancer.

"In foods, many vitamins and various antioxidants and bioactive ingredients work to support one another and the body's natural protective mechanisms. Synergies between the nutrients in your food, which make a significant contribution to health, may contrast with the relative isolation of a vitamin supplement," said Shapira.

The study has been published in Nutrition Reviews.

Source: ANI
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