- What do telomeres and telomerase have to do with cellular theories of aging?
- What are age-related changes in hair, and how do these vary for men and women?
- What are the theories regarding changes in voice with age?
- What are the main reasons why men and women tend to decline in height over time?
- Why do women lose bone mass at approximately twice the rate of men?
- What is the association between retinal disease and diabetes?
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