The Best Anti-Aging Foods for Women

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These potent seeds hail from South American countries like Venezuela, Colombia, and more. They may not be as common as peanuts or walnuts, but there's good reason to seek them out at your local health food store or online: "One ounce of brazil nuts, which is about six to eight nuts, has 777 percent of the daily value for selenium, an antioxidant that plays a critical role in DNA synthesis and helps protect our body from oxidative damage and infection," says Alexandra Miller, a corporate dietitian at Medifast. "Inadequate concentrations of selenium may be associated with age-related declines in brain function," she adds. Selenium concentrations in your body naturally decline with age, so load up.