Bryan Johnson· Author
As we grow and age, telomeres get gradually shorter with each cell division, an enzyme called telomerase (a special DNA polymerase) help maintain telomeres as we age.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
As we grow and age, telomeres get gradually shorter with each cell division, an enzyme called telomerase (a special DNA polymerase) help maintain telomeres as we age.
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Telomeres are like shoelace tips on your DNA, protecting your chromosomes every time your cells divide.
So people like to think of them as like the aglets of the tips of shoelaces, this plastic caps to keep shoelaces from fraying. So when you think of our linear chromosomes, they're all capped at the end with this wound up strings of DNA, repeating DNA called telomeres. And they are protecting the genome from damage.