The tiny "caps" that keep our chromosomes from fusing together are also providing clues that could eventually lead to the achievement of one our nation's most important public health goals: extending good health well into old age.
These caps are called telomeres, and they're at the center of much of the current research into the aging process. A study recently published in science journal The Lancet links the lengths of telomeres with rate of survival among people over 60, the first study to make this connection.
What are Telomeres?
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