Life extension science, also known as anti-aging medicine, experimental gerontology, and biomedical gerontology, is the study of slowing down or reversing the processes of aging to extend both the maximum and average lifespan. Some researchers in this area, and "life extensionists" or "longevists" (those who wish to achieve longer lives themselves), believe that future breakthroughs in tissue rejuvenation with stem cells, molecular repair, and organ replacement (such as with artificial organs or xenotransplantations) will eventually enable humans to have indefinite lifespans (agerasia) through complete rejuvenation to a healthy youthful condition.
The sale of putative anti-aging products such as nutrition, physical fitness, skin care, hormone replacements, vitamins, supplements and herbs is a lucrative global industry, with the US market generating about $50 billion of revenue each year. Medical experts state that the use of such products has not been shown to affect the aging process, and many claims of anti-aging medicine advocates have been roundly criticized by medical experts, including the American Medical Association.
However, it has not been shown that the goal of indefinite human lifespans itself is necessarily unfeasible; some animals such as lobsters and certain jellyfish do not die of old age, and an award was offered to anyone who could prove life extensionist Aubrey de Grey's hopes were 'unworthy of learned debate'; nobody won the prize. Bioethicists question the ethical ramifications of life extension.
Read more about Life Extensionists: Average and Maximum Lifespans, History of Life Extension and The Life Extension Movement, Ethics and Politics of Life Extension, Aging As A Disease
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Famous quotes containing the word life:
“Come, my Way, my Truth, my Life:
Such a Way as gives us breath:
Such a Truth as ends all strife:
Such a Life as killeth death.”
—George Hebert (15931633)