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Aging Overview

What Is It?

Published: February, 2015

We all know the obvious signs of aging: wrinkles, gray hair, a slightly stooped posture, perhaps some "senior moments" of forgetfulness. But why do those things happen? What is aging?

Each of us is made up of cells—13 trillion of them. Our tissues and organs are each a bunch of cells, held together with various natural materials that the cells have made.

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Aging Overview

What Is It?

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