Aging. Modern theories and therapies - download pdf or read online

By Joseph Panno

ISBN-10: 0816068461

ISBN-13: 9780816068463

Makes an attempt to appreciate the getting older strategy have generated a large number of theories yet few useful cures. conventional cures deal with age-related ailments reminiscent of melanoma and arthritis yet don't opposite the getting older procedure itself. a standard pattern in gerontology is to go looking for genes that experience a demonstrable impression on lifespan, the so-called durability genes. Many such genes were pointed out, and even supposing the manipulation of those genes doesn't cease the getting older procedure, they supply many necessary insights into the mobile mechanisms of getting older. extra lately, curiosity has grew to become to using cloning know-how, stem cellphone research, and genetic manipulation which will produce a good rejuvenation remedy for cells and the physique as a complete.

getting older, Revised variation describes the sector of gerontology and the numerous theories that scientists have constructed through the years to provide an explanation for the age-related adjustments that happen in approximately all animals.

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Biomarkers, which include the performance of the cardiovascular system, blood insulin levels, blood pressure, and several other factors, provide a way of estimating an individual’s physiological age (see the table on page 32). The same biomarkers for modern aging are shown in the table on page 33. These markers provide a simple way of distinguishing between classical aging and modern aging. If the biomarkers indicate a physiological age of 85 years, but the individual’s chronological age is only 65, then that individual’s rate of aging has been accelerated and is an example of modern aging.

Caloric restriction was also introduced, which could extend the life span of a mouse by 30 to 40 percent. Finally, with extensive genetic data available for Drosophila, many researchers conducted studies on long-lived or short-lived mutants in an attempt to correlate their life span with changes at the cellular or biochemical level. Although the research in the second epoch used more powerful techniques than were available during the first epoch, the results were still largely descriptive in nature and generally fell far short of achieving a deeper understanding of the aging process.

Rowling in the Harry Potter book series. The “stone” was a mineral, or mineral concoction, of mythical powers that was discovered by Nicholas Flamel, a French alchemist who lived in the 14th century. Flamel and his followers claimed that in addition to transmuting mercury and silver to gold, the philosopher’s stone could also reverse the aging process. Potions and elixirs of this kind have never been authenticated, but the allure of a quick fix is always tempting, even to scientists. DNA Structure Inspires New Theories On April 25, 1953, James Watson and Francis Crick published a classic paper on DNA in the journal Nature: “A Structure for Deoxyribose Nuclei Acid” not only proposed a structural model for the DNA molecule but also showed how DNA could store a genetic code, specifying a unique protein, and how that code could be duplicated, in a process now known as DNA replication.

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Aging. Modern theories and therapies by Joseph Panno

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