Telomere paradox: cancer risk vs. delayed senescence | Elissa Epel

Parent Episode: Dr. Elissa Epel on Telomeres and the Role of Stress Biology in Cellular Aging

Telomerase, an enzyme that extends the length of telomeres, is critical to healthy cellular aging. But having too much telomerase – as in the case of cancer cells – can be a bad thing. Cancer cells exploit the regenerative capacity of telomerase to perpetually divide, essentially becoming immortal. In this clip, Dr. Elissa Epel discusses how having an optimal ratio of telomerase – high enough to reduce the risk of chronic disease, but low enough to reduce the risk of cancer – is key.

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