Telomere Length May Be Determined Early in Life

Telomere Length May Be Determined Early in Life
(AP Photo/Mark Lennihan)

Telomeres are protective caps on DNA that shorten as we grow older. Now, one of the first studies to examine telomere length (TL) in childhood finds that the initial setting of TL during prenatal development and in the first years of life may determine one’s TL throughout childhood and potentially even into adulthood or older age.

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