Taking the new out of neurons

Not Exactly Rocket Science
By Ed Yong
Oct 2, 2008 7:00 PMNov 5, 2019 2:10 AM

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You are not the person you used to be. Two weeks ago, the surface of your skin was covered with a completely different set of cells, which have since died and flaked off. Four month ago, you had a wholly different set of red blood cells. Since birth, your body has grown tremendously in size and much of it is constantly regenerating, replacing old cells with new ones.

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