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What causes free radicals to form?

Emilia Klapp
Nutrition & Dietetics
Some free radicals form naturally during bodily functions such as breathing, eating, and drinking. Others form because of cigarette smoke, overexposure to smog or sunlight, radiation, excessive exercise, and other factors.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.