Life expectancy of 100 years or more depends not only on a healthy lifestyle, but can also be closely related to genetic factors inherited from ancient ancestors. Italian scientists came to this conclusion after studying the genomes of long-livers. The research results were published in the journal "GeroScience."
Scientists analyzed the DNA of 333 Italians over 100 years old and compared it with the genetic data of 690 healthy people around 50 years old. These results were then compared with 103 genomes belonging to the four main ancient groups involved in the formation of the Italian population.
The analysis showed that the proportion of genetic inheritance characteristic of Western hunter-gatherers (WHG) in long-livers is significantly higher. It is this factor that increases a person's likelihood of reaching 100 years of age by approximately 38 percent. This effect is especially strong in women, where the probability of longevity in women with such a genetic component is more than twice as high.
Experts emphasize that human life is determined by the harmony of genetics, the environment, and lifestyle. However, new research results show that ancient evolutionary heritage can have a much stronger impact on human life expectancy than previously thought.
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