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