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Intrinsic ageing and extrinsic ageing are terms used to describe cutaneous ageing of the skin and other parts of the integumentary system, which while having epidermal concomitants, seems to primarily involve the dermis. [1] Intrinsic ageing is influenced by internal physiological factors alone, and extrinsic ageing by many external factors.
Senescence (/ s ɪ ˈ n ɛ s ə n s /) or biological aging is the gradual deterioration of functional characteristics in living organisms. Whole organism senescence involves an increase in death rates or a decrease in fecundity with increasing age, at least in the later part of an organism's life cycle.
Similarly, skin wrinkles and other common changes seen with aging are not better indicators of future functionality than chronological age. Biogerontologists have continued efforts to find and validate biomarkers of aging, but success thus far has been limited.
Chronic low-grade inflammation can cause your skin to look older than it is. How do you know if you could be suffering from this issue, called inflammaging? Dermatologists offer their best advice.
Data from more than 6,500 adults showed there could be up to five years’ difference between people’s chronological age and their biological age, also known as phenotypical age, if they ...
Prior to the study, he had a chronological age of 71 and a biological age of 57.6. He had his biological age tested again at eight weeks, despite having withdrawn from the study, and it had ...