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  2. Immunosenescence - Wikipedia

    en.wikipedia.org/wiki/Immunosenescence

    Recurring infections by latent herpes viruses can exhaust the immune system of elderly persons. [12] Consistent, repeated stimulation by such pathogens leads to preferential differentiation of the T-cell memory phenotype, and a 2020 review reported that CD8+ T-cell precursors, specific for the most rare and less frequently present antigens shed ...

  3. Aging brain - Wikipedia

    en.wikipedia.org/wiki/Aging_brain

    Compared to other tissues in the body, the brain is deemed unusually sensitive to oxidative damage. [24] Increased oxidative damage has been associated with neurodegenerative diseases, mild cognitive impairment and individual differences in cognition in healthy elderly people. In 'normal aging', the brain is undergoing oxidative stress in a ...

  4. Hypoxia (medicine) - Wikipedia

    en.wikipedia.org/wiki/Hypoxia_(medicine)

    [27] [28] Ischemia is generally caused by problems with blood vessels, with resultant damage to or dysfunction of tissue i.e. hypoxia and microvascular dysfunction. [ 29 ] [ 30 ] It also means local hypoxia in a given part of a body sometimes resulting from vascular occlusion such as vasoconstriction , thrombosis , or embolism .

  5. Osteoporosis - Wikipedia

    en.wikipedia.org/wiki/Osteoporosis

    Osteoporosis is a systemic skeletal disorder characterized by low bone mass, micro-architectural deterioration of bone tissue leading to more porous bone, and consequent increase in fracture risk. It is the most common reason for a broken bone among the elderly. [3]

  6. Geriatrics - Wikipedia

    en.wikipedia.org/wiki/Geriatrics

    Geriatrics, or geriatric medicine, [1] is a medical specialty focused on providing care for the unique health needs of the elderly. [2] The term geriatrics originates from the Greek γέρων geron meaning "old man", and ιατρός iatros meaning "healer".

  7. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    Inflammation is a general marker of tissue damage in any disease, and may be either secondary to tissue damage in Alzheimer's disease or a marker of an immunological response. [114] There is increasing evidence of a strong interaction between the neurons and the immunological mechanisms in the brain.

  8. Some retailers tell consumers Trump's tariffs are a reason to ...

    www.aol.com/retailers-tell-consumers-trumps...

    "The other problem is it's slightly political as well, so some retailers would want to steer clear of it." While Trump has said he plans to move forward with tariffs, some economists have pointed ...

  9. Jaw jerk reflex - Wikipedia

    en.wikipedia.org/wiki/Jaw_jerk_reflex

    A study also reports that 52% of the elderly exhibit an absence of jaw jerk reflex, in an average age of 81.8 years. [7] Jaw muscles do not display very prominent changes in muscular tissue with age in healthy elderly, as their oral cavities are in constant motor movement (i.e.: performing tasks such as talking and chewing etc.).