Quick answer: Aging involves gradual changes in cells and tissues, including accumulated damage and changes in repair and regulation.
What to know
Different species age at different rates, and aging research examines genetics, metabolism, stress responses, and environmental influences.
Practical context
There is no single proven method that stops human biological aging. General health habits can support function without guaranteeing a particular lifespan.
Frequently asked question
Do all organisms age the same way?
No. Lifespan and patterns of decline vary dramatically among species.
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