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Why and How Do We Age?
Philosophers and scientists have long been studying experimental evidence and using observations of the natural world to try to develop a theory or theories explaining why and how we age. As late as 1990, researcher Zhores Medvedev tried to categorize more than 300 theories of aging. More recently, scientists have started to come to a consensus about why we age. They have also narrowed the specifics of what affects how we age down to several significant, and likely complementary, hypotheses.
Click here to find out what a theory of aging is.
To read about the most widely accepted theory of aging, visit our evolutionary senescence theory page. Our How Do We Age? pages discuss current hypotheses explaining specific aspects of aging. Or, you can read about how theories of aging affect aging research here.
Content on Infoaging is constantly reviewed and updated by leading researchers specializing in the biology of aging and the diseases of aging. For a list of our content experts, click here.
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