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Why Do We Age? A 46-Species Comparison

Why Do We Age? A 46-Species Comparison

National Geographic - Virginia Hughes

Science & InnovationOnly Human Why we age is a tricky evolutionary question. A full set of DNA resides in each of our cells, after all, allowing most of them to replicate again and again and again. Why don’t all tissues regenerate forever? Wouldn’t that be evolutionarily advantageous? Since the early …

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