The Real Reason Humans Live Longer Than Animal

The study discovered that despite significant variations in longevity and size, many animal species end their natural lives with similar levels of genetic alterations.

An examination of 16 species by the Wellcome Sanger Institute found that slower mutation rates correlate to longer life.

Genetic mistakes during cell division, radiation, mutagens, or viral infection can produce mutations, according to the National Human Genome Research Institute. 

While mutations cause cancer, their significance in ageing is unknown.

It claims that somatic mutation rates are evolutionarily restricted and may contribute to ageing.

Somatic mutations occur in all cells of an organism. Every year, human cells acquire 20-50 mutations. Others can induce cancer or disrupt normal cell activity.

"The genetic modifications in both mice and tigers were similar. LONGEVITY IS inversely proportional to SOMATIC MUTATION RATE, THE STUDY "Commented Wellcome Sanger Institute's Dr. Alex Cagan.

For this study, researchers sequenced 208 intestinal crypts from 48 persons. Despite their diverse diets and lifestyles, somatic mutations grew linearly through time in all species, including humans, according to the genome.

They observed that as animals aged, somatic mutation rates decreased. Their findings suggest that bigger animals' ability to reduce their cancer risk proportional to their size requires more factors.

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