Medically reviewed by Marla Anderson, MD Key Takeaways Free radicals are unstable molecules that can damage DNA, leading to ...

In addition to those naturally produced by our own bodies, we also encounter free radicals in our environment from the sun, manufacturing pollutants, cigarette smoke and other sources. Because dealing ...

The free radical theory of aging is back in play after falling out of favor decades ago. (Remember when people were taking massive doses of various vitamins and minerals? Mopping up free radicals with ...

One of the central challenges for synthetic chemists is to impose control over free radicals. Highly reactive molecules with an unpaired electron, free radicals may be familiar to you; these are the ...