On call: Exercise and free radicals

On call

Exercise and free radicals

Published: March, 2007

Q. I love to work out, but I just read that exercise would produce free radicals in my body. Am I doing more harm than good by going to the gym?

A. Free radicals take the rap for everything from cancer and heart disease to Alzheimer's disease, cataracts, and aging, but the situation is actually much more complex.

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