Source https://www.fightaging.org/archives/2025/07/stem-cell-exosomes-improve-mitophagy-in-photoaged-skin/
Aging is an accumulation of specific forms of cell and tissue damage, coupled with the dysfunctions produced by that damage. While the damage of aging would occur regardless of the surrounding environment, many environmental exposures also produce cell and tissue damage. This additional burden of damage can result in what appears to be accelerated aging, even if the damage is somewhat dissimilar in character to that produced during aging by the body itself. Sometimes the damage is in fact similar. Photoaging of skin resulting from ultraviolet light exposure is a good example; like any radiation exposure, this causes a greater burden of some of the forms of damage and dysfunction known to occur with age, such as DNA damage and an increased burden of sene…
Source https://www.fightaging.org/archives/2025/07/stem-cell-exosomes-improve-mitophagy-in-photoaged-skin/
Aging is an accumulation of specific forms of cell and tissue damage, coupled with the dysfunctions produced by that damage. While the damage of aging would occur regardless of the surrounding environment, many environmental exposures also produce cell and tissue damage. This additional burden of damage can result in what appears to be accelerated aging, even if the damage is somewhat dissimilar in character to that produced during aging by the body itself. Sometimes the damage is in fact similar. Photoaging of skin resulting from ultraviolet light exposure is a good example; like any radiation exposure, this causes a greater burden of some of the forms of damage and dysfunction known to occur with age, such as DNA damage and an increased burden of sene…
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