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Senescent cell accumulation is an important contributing cause of aging. Senescent cells secrete a mix of signals that provokes growth and inflammation, useful in the short term in circumstances such as wound healing and cancer suppression, but damaging to tissue function and health when sustained over the long term. Senolytic […]

Asking whether an age-associated disease is a part of normal aging is an exercise in boundary drawing. The very definition of an age-related disease as something distinct from aging is the result of past boundary drawing. Many of these boundaries are quite arbitrary. Aging is a complex phenomenon, and people […]