Health news: Depression may speed up aging process

Stress can lead to several damaging effects on the human body. Many of these effects are acutely felt by the sufferer, but many more go `unseen`, one of which is shortening of telomere length.

Telomeres are protective caps on the ends of chromosomes and are indicators of aging, as they naturally shorten over time. However, telomeres are also highly susceptible to stress and depression, both of which have repeatedly been linked with premature telomere shortening.

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