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Dec 18, 2025
Longevity for Women: Why healthy Ageing Needs a Different Approach
What research shows on prevention, hormones, and muscle strength
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A free radical is a molecule or atom that has at least one unpaired electron. These electrons make the radical very reactive - it easily 'steals' electrons from other molecules, which can lead to cell damage. Free radicals are produced by metabolic processes, UV radiation or environmental toxins, for example. They play a role in ageing and disease, but are also used specifically by the body, for example to fight off pathogens.

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