Will the secrets of aging reptiles help to extend the life of a person?. In particular, it made it possible to reveal the secrets of aging in reptiles and amphibians..
Seychelles giant tortoises, living up to 190 years old, were recently named the oldest land animals in the world.. There is anecdotal evidence that some species of tortoises and other ectotherms or cold-blooded animals live even longer, but the evidence is scattered, and it mainly concerns those animals that live in the zoo.. An international team of 114 scientists led by experts from the University of Pennsylvania conducted the most comprehensive study of aging and longevity to date, which includes data collected in the wild from 107 populations of 77 species of reptiles and amphibians.
Researchers have documented for the first time that turtles, crocodiles and salamanders have very low aging rates and increased lifespans for their size.. Protective phenotypes such as the hard shell in most turtles contribute to slower aging, and in some cases even the complete absence of the biological aging process itself..
The thermoregulatory regime hypothesis suggests that cold-blooded animals, which require external temperature to regulate internal temperature, have a lower metabolism and age more slowly than warm-blooded animals, which include humans.. For example, mice age very quickly because they have a high metabolism.. However, the findings show that the rate of aging and lifespan of exotherms fluctuate to a large extent.. Therefore, the way one regulates one's body temperature is not necessarily indicative of the rate of aging and longevity..
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