By Brian Good, Men's Health

Sunflower Seeds

These salty wonders have the highest natural vitamin E content of any food around. "Vitamin E is one of the most important nutrients around for looking younger," says Barry Swanson, Ph.D., a professor of food science at Washington State University. "No antioxidant is more effective at fighting the aging effects of free radicals."

Spinach and Beans

Researchers in Australia, Indonesia and Sweden studied the diets of 400 elderly men and women, and found that those who ate the most leafy green vegetables and beans had the fewest wrinkles. The reason? Spinach and beans are full of compounds that help prevent and repair wear and tear on your skin cells as you get older.

Grape Juice

Besides providing protection from heart attack and stroke, grape juice can also help keep your middle-aged skin from sagging. "Grapes are filled with antioxidant polyphenols that help to keep your skin flexible and elastic," says Swanson.

Sweet Potatoes

Overexposure to the sun is one of the primary reasons men age prematurely. But sweet potatoes may help to fight sun damage. European researchers recently found that pigments from beta-carotene-rich foods—like sweet potatoes and carrots—can build up in your skin, helping to prevent damage from ultraviolet rays.

Cheese

No wonder rats always look so young. "Cheese is one of the best foods you can eat for your teeth," says Matthew Messina, D.D.S., an American Dental Association spokesman. "It's a good source of calcium, to keep your teeth strong. Plus, eating cheese can lower the levels of bacteria in your mouth and keep your teeth clean and cavity-free," he says. Dr. Messina recommends eating at least two servings of block cheese every week.