Many humans live to see their 80s, some even reach 100. But chimpanzees rarely make it past 50, despite sharing 99% of our genetic code. While modern medicine has added years to human lifespans, a study points to a more ancient explanation why humans are the long-lived primate. Part of the secret to human longevity may lie in chemical changes to our DNA that slowed the rate of aging after human ancestors diverged from chimps. [1] Young people. Feeling old. Old people. Still blooming and being bold. Smell that jasmine. Mature cosmos. Cold. Ready to die. Exploding universe. Can you think of a flower growing without someone crying?
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