Can you actually boost your natural SPF/UV protection through food?

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We’ve learnt a lot about how the foods we eat contribute to our skin’s health, but can we eat our way to not using sunscreen?

Rachel Shultz explains further in her article “Sunscreen on a Plate”

“When you leave lettuce in the sun too long, it wilts and turns brown because the light is causing oxidative damage. This is similar to your skin exposed to sunlight,” says Elizabeth Johnson, Ph.D., who researches antioxidants at Tufts University.

Sunscreen is the first form of protection, but building up your natural SPF through the foods you eat, can help reduce free radical damage. So any guesses for what makes these foods awesome to prevent UV damage? Its high antioxidant properties.

“Antioxidants float through your blood and amass in tissues, including the skin,” Dr. Johnson says. This means when the sun damages your cells, antioxidants are already on the frontline to battle damage.

Plus phytochemicals—a nutrient group that includes antioxidants—may ramp up your body’s natural protection systems against cancer-causing damage, adds Karen Collins, registered dietitian, Nutrition Advisor to the American Institute for Cancer Research.

In fact, a 2010 study from Tel Aviv University found that participants who follow diet rich in antioxidants and omega-3 fatty acids, like that in the Mediterranean region where melanoma rates are extremely low, have lower incidences of skin cancer.

One of the best foods for protection? Tomatoes. A new British study found that people who ate ¼ cup of tomato paste—which offers high levels of the nutrient lycopene—for two weeks saw less oxidative damage.

And a 2012 UK study found women who eat a tomato-heavy diet have 33 percent more protection against UV exposure than those who skip the fruit.

But since nutrients all have different functions and interactions, it’s important to eat all colors of the rainbow. “Many phytochemicals manifest as pigments, so eating fruits and vegetables of all colors guarantees that you’re diversifying your nutrient intake and better fortifying your skin,” says Johnson.

The best skin protectors include dark leafy greens, beta-carotene-rich carrots and cantaloupe, and polyphenol-packed berries, citrus fruit and dark chocolate. But protection doesn’t occur overnight, Collins adds. In fact, most studies supporting nutrition’s benefit on sunburns or cancer prevention don’t see results until participants have been eating the food for at least 8 weeks, she adds.

Most importantly, there is no better protection against developing skin cancer than limiting your exposure to UV light, Collins adds. And, while a nutrient-rich diet can help fortify your cells, slathering on sunscreen as well will give your skin the best chances to stay healthy.

 

Resources:

outsideonline.com

 

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