There are now dozens of theories of aging to explain this inevitable fact of being human.
All of these theories share the idea that aging is natural and “programmed” into the body.
Some of these reactions cause damage and, ultimately, aging in the body.
Tim Flach / Stone / Getty Images
Studying these complex reactions is helping researchers understand how the body changes as it ages.
Take care of your body and mind and embrace the changes as they come.
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