Which of the following statements is true?  

A. Longevity results when a person does not wear out his or her digestive system by eating too much food. 
B. People who experience more "wear and tear" of their bodies tend to live longer than people who do not experience as much wear and tear. 
C. People whose cells are able to repair their damaged DNA may live longer than people whose cells do not have this ability. 
D. Longevity is a natural change that results when the human body reaches 85 years of age. 


Answer: C

Nutritional Science

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