Which of the following adequately describes the cellular mutation theory of aging?
A. With age, the immune system is less able to differentiate healthy cells from pathology, so the body attacks healthy cells instead of harmful cells.
B. Aging results from damage to DNA and chromosomes, leading to an increase in cellular mutations.
C. The body ages as a direct result of use.
D. The rate of aging is influenced by DNA and heredity.
Answer: B
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