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Posted 28 Feb
How Stress Affects Our Telomeres
Watch how stress affects our genes! The genetic structures called telomeres protect the ends of our chromosomes from fraying. As we age, our telomeres shorten. Stress by way of stress hormones accelerate the shortening of telomeres.
A telomere is a region of repetitive DNA at the end of a chromosome, which protects the end of the chromosome from deterioration.
A chromosome is an organized structure of DNA and protein that is found in cells. It is a single piece of coiled DNA containing many genes, regulatory elements and other nucleotide sequences.
Video Clip from "Stress: Portrait of a Killer" Produced by National Geographic