💡 Pop Quiz: What are the key indicators of aging? Get a Nat Geo free trial if you answer correctly!

RJ Hamster

2 years ago

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ANIMATION BY MARKOS KAY

Over the past three decades, biomedical researchers have identified “hallmarks” of aging to explain the cellular and molecular processes that damage our cells and cause our bodies to age. Grouped into three categories, nine hallmarks are at the core of cutting-edge efforts to slow aging. Select the correct answer to this question and get a free one-month digital subscription to Nat Geo.

Which of these is NOT one of
the nine hallmarks of aging?

A. Formation of zombie cells

B. Deregulated response to nutrients

C. Loss of stem cell function

D. How fast cells get rid of waste

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PHOTOGRAPH BY REBECCA HALE

Episode 44: What science tells us about living longer

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A scientist shares what he’s learned about living longer, with the help of worms.

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