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Harvard Men's Health Watch

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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Daily Health Tip

Memorize the warning signs of a stroke

The acronym FAST can help. F: Face drooping. Can the person smile? Is the smile uneven? A: Arm weakness. Is one arm weak or numb? If the person raises both arms, does one drift down? S: Speech difficulty. Is the person's speech slurred? Can they repeat simple sentences you give them? T: Time to call 911. If the person shows any of these symptoms, even if the symptoms go away, call 911. Check the time so you know when the symptoms began.

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On call: Exercise and free radicals

On call

Exercise and free radicals

Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.

Related Articles

Related Topics