Washington, February 12, 2016, 20:07 – REGNUM The team of US scientists has found that some of the genes inherited by modern man from the Neanderthals, responsible for such negative phenomena as tobacco and drug addiction and depression, says the journal Science.
Experts conducted a detailed Neandertal DNA analysis as part of the human genome. According to John Capra from Vanderbilt University in Nashville (USA), DNA ancestors of modern humans affect the predisposition to disease “immunological, neurological, psychological and reproductive nature».
In particular, the DNA of Neanderthals is responsible for the risk of keratosis, diseases of the genitourinary system and blood clotting. However, the most strongly manifested signs of ancient DNA in the nervous system, increasing the risk of psychiatric disorders, as well as the occurrence of tobacco and drug addiction.
As explained by scientists in modern human DNA remains approximately 2-4% Neanderthal genetic information, in the past interacted with Cro-Magnons and gave them their signs. The genes of Neanderthals Cro-Magnon helped to adapt to life in Europe, passing the useful qualities of the body, such as a strong immune system.
However, some of the properties, which in the past helped our ancestors to survive in harsh conditions, for the modern man are negative, say scientists.
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