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Walnuts have double the antioxidants than other nuts

To fight free radicals that can damage our body's cells and cause disease, walnuts are the top nut to eat, according to new research. Full story

Do Free Radicals Really Cause Aging?

Conventional wisdom has held for decades that free radicals cause aging, and that antioxidants, which squelch the reactivity of these highly reactive molecules, are a way to slow the process. But new work adds to a growing body of research that suggests the story is not so simple. Full story

5 things you need to know about antioxidants

It's billed as an epic story of good versus evil—biology in comic-book form. The villains: free radicals, those nefarious DNA-attacking poisons of modern life. Our fearless defenders: antioxidants, poised to protect us from—well, everything, right? Full story

Why you shouldn’t ditch sunscreen

You apply sunscreen to protect your skin, not harm it, right? But controversies about its safety continue to rage. Here's why sunscreens are still the best way to keep your skin safe year-round. Full story

Chill: A little stress may help you live longer

Being frazzled can do nasty things to your bod. But in small doses, angst-provoking situations can improve your health, slow down the signs of aging, and even help you live longer. Full story

The ABCs of vitamins for more beautiful skin

You may eat your fruits and veggies. You may even pop a multi every day. Yet your skin is still missing out on the value of vitamins. Full story

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