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1 minute reading

Our cells are constantly renewed

Our cells are constantly renewed Our cells are constantly renewed
Source: Yasislas via Giphy
A Short History of Nearly Everything
From a book
A Short History of Nearly Everything
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Brain cells last as long as you do. You are issued with a hundred billion or so at birth and that is all you are ever going to get. It has been estimated that you lose five hundred of them an hour, so if you have any serious thinking to do there really isn’t a moment to waste. The good news is that the individual components of your brain cells are constantly renewed so that [...] no part of them is actually likely to be more than about a month old. Indeed, it has been suggested that there isn’t a single bit of any of us—not so much as a stray molecule—that was part of us nine years ago. It may not feel like it, but at the cellular level we are all youngsters.

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