Healthy Bits · Nutrition & wellness
Free radicals: what are they?
Free radicals are unstable molecules missing an electron, so they try to grab one from nearby cells. Your body makes them naturally when it turns food into energy and when your immune system is at work, and in normal amounts they're useful. You also encounter them through smoke, pollution, too much sun and heavily fried foods.
When free radicals outnumber the antioxidants that keep them in check, it's called oxidative stress, which is linked with cell damage and aging.
The good news is that your plate can help. Plants supply antioxidants like vitamin C, vitamin E and polyphenols, the colorful plant compounds found in berries, greens, tea and cacao.
Try this: aim for at least three different colors on your plate today.
- antioxidants
- free radicals
- environment
- greens
Healthy Bits are for general education and aren’t medical advice. Check with your doctor or healthcare provider before making changes, especially if you’re pregnant or nursing, take medication, or are managing a health condition.