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What is a free radical

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Free radicals are unstable atoms that can damage cells, causing illness and aging. Free radicals are linked to aging and a host of diseases, but little is known about their role in human health, or how to prevent them from making people sick .
User EvilSyn
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Answer:

Free radicals are unstable atoms. To become more stable, they take electrons from other atoms. This may cause diseases or signs of aging.

Step-by-step explanation:

User Azadeh Radkianpour
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