Telomeres are protective caps on the ends of chromosomes from "summary" of Lifespan by David Sinclair,Matthew D. Laplante
Telomeres are like the plastic tips at the ends of shoelaces, helping to protect our DNA from damage. Just as those tips prevent our laces from fraying, telomeres safeguard our chromosomes from wear and tear. Without this protection, our genetic material would become vulnerable to harm, leading to cellular dysfunction and aging. Each time a cell divides, its telomeres get a little shorter. This process is a natural part of aging, a ticking clock that eventually runs out. As telomeres shrink, the chromosomes they shield start to fray, triggering a cascade of events that can contribute to various age-related diseases. But it’s not just the passage of time that impacts telomere length. External factors like stress, poor diet, and lack of exercise can also accelerate the sh...
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