Which theory of aging suggests that free radicals cause damage to body cells?
- Genetic theory
- Immunological theory
- Free radical theory
- Telomerase theory
Explanation
The theory that free radicals cause cellular damage is known as the free radical theory.
Most notably, the free radical theory of aging posits that age-related damage originates from oxidative stress induced by these molecules.
Proposed by Denham Harman in 1956,
This theory suggests that free radicals, which are unstable atoms or molecules with unpaired electrons, damage DNA, proteins, and other cellular components, leading to aging and disease over time.
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