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  2. Senescence - Wikipedia

    en.wikipedia.org/wiki/Senescence

    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.

  3. Ageing - Wikipedia

    en.wikipedia.org/wiki/Ageing

    Ageing (or aging in American English) is the process of becoming older. The term refers mainly to humans , many other animals , and fungi, whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal .

  4. Hallmarks of aging - Wikipedia

    en.wikipedia.org/wiki/Hallmarks_of_aging

    Aging is characterized by a progressive loss of physiological integrity, leading to impaired function and increased vulnerability to death. The hallmarks of aging are the types of biochemical changes that occur in all organisms that experience biological aging and lead to a progressive loss of physiological integrity, impaired function and, eventually, death.

  5. Intrinsic and extrinsic ageing - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_and_extrinsic_ageing

    Such an ageing process may include qualitative and quantitative changes and includes diminished or defective synthesis of collagen and elastin in the dermis. [ citation needed ] Extrinsic ageing of skin is a distinctive declination process caused by external factors, which include ultra-violet radiation, cigarette smoking, air pollution, among ...

  6. Evolution of ageing - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_ageing

    There are four common traits of Werner's syndrome: cataracts in both eyes, changes in skin similar to scleroderma, short stature, and early graying and loss of hair. [53] Once the individual reaches the twenties, there is generally a change in hair color, skin, and voice. The average life expectancy of someone with this disease is around 46 ...

  7. Plant senescence - Wikipedia

    en.wikipedia.org/wiki/Plant_senescence

    Plant senescence is the process of aging in plants. Plants have both stress-induced and age-related developmental aging. [1] Chlorophyll degradation during leaf senescence reveals the carotenoids, such as anthocyanin and xanthophylls, which are the cause of autumn leaf color in deciduous trees. Leaf senescence has the important function of ...

  8. This Sneaky Form Of Skin Aging Is Easy To Identify And Treat ...

    www.aol.com/lifestyle/chronic-inflammation...

    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.

  9. Regeneration (biology) - Wikipedia

    en.wikipedia.org/wiki/Regeneration_(biology)

    Regeneration in biology is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. [1] Every species is capable of regeneration, from bacteria to humans.

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