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  2. Longevity escape velocity - Wikipedia

    en.wikipedia.org/wiki/Longevity_escape_velocity

    "The first 1000-year-old is probably only ~10 years younger than the first 150-year-old."–Aubrey de Grey, 2005 [1]. In the life extension movement, longevity escape velocity (LEV), actuarial escape velocity [2] or biological escape velocity [3] is a hypothetical situation in which one's remaining life expectancy (not life expectancy at birth) is extended longer than the time that is passing.

  3. Relationship between telomeres and longevity - Wikipedia

    en.wikipedia.org/wiki/Relationship_between...

    Telomeres at the end of a chromosome. The relationship between telomeres and longevity and changing the length of telomeres is one of the new fields of research on increasing human lifespan and even human immortality. [1][2] Telomeres are sequences at the ends of chromosomes that shorten with each cell division and determine the lifespan of ...

  4. Mitochondrial theory of ageing - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_theory_of_ageing

    The mitochondrial theory of ageing has two varieties: free radical and non-free radical. The first is one of the variants of the free radical theory of ageing. It was formulated by J. Miquel and colleagues in 1980 [1] and was developed in the works of Linnane and coworkers (1989). [2] The second was proposed by A. N. Lobachev in 1978.

  5. Paraplegia - Wikipedia

    en.wikipedia.org/wiki/Paraplegia

    Paraplegia, or paraparesis, is an impairment in motor or sensory function of the lower extremities. The word comes from Ionic Greek ( παραπληγίη ) "half-stricken". [ citation needed ] It is usually caused by spinal cord injury or a congenital condition that affects the neural (brain) elements of the spinal canal .

  6. Stem cell theory of aging - Wikipedia

    en.wikipedia.org/wiki/Stem_cell_theory_of_aging

    The cellularity of the bone marrow does decrease with age and can be usually calculated by the formula 100-age, and this seems consistent with a stem cell theory of aging. [18] A dog study published by Zaucha J.M, Yu C. and Mathioudakis G., et al. also shows evidence against the stem cell theory. Experimental comparison of the engraftment ...

  7. Paralyzed person shown playing chess on laptop using brain ...

    www.aol.com/news/neuralink-livestream-shows...

    Neuralink released a nine-minute video in which its first human patient, who is paralyzed below his shoulders, appears to move a cursor across a laptop screen with nothing but his thoughts. The ...

  8. Gompertz–Makeham law of mortality - Wikipedia

    en.wikipedia.org/wiki/Gompertz–Makeham_law_of...

    The Gompertz–Makeham law of mortality describes the age dynamics of human mortality rather accurately in the age window from about 30 to 80 years of age. At more advanced ages, some studies have found that death rates increase more slowly – a phenomenon known as the late-life mortality deceleration [2] – but more recent studies disagree.

  9. Life history theory - Wikipedia

    en.wikipedia.org/wiki/Life_history_theory

    Life history theory (LHT) is an analytical framework [1] designed to study the diversity of life history strategies used by different organisms throughout the world, as well as the causes and results of the variation in their life cycles. [2] It is a theory of biological evolution that seeks to explain aspects of organisms' anatomy and behavior ...