Some scientists blame our Cro-Manon ancestors for the extinction of the Neanderthals. Others believe that they disappeared before Homo sapiens appeared in Europe. According to Russian media reports, the last Neanderthals lived on Earth 40 thousand years ago. According to most experts, they were destroyed for a common reason - Homo sapiens, which at that time came from Africa to Europe and the Middle East. Experts also say that Neanderthals are starving, oppressed, and suffering from disease. According to a computer model developed by South Korean scientists, the only possible scenario is the extinction of Homo neandertalensis. A sharp change in climate, etc., could not give such a result. It was noted that more developed, healthy chromosomes are to blame for their destruction. The image of Neanderthals and Homo sapiens created by South Korean scientists shows how Neanderthals are gradually being replaced by Cro-Magnons. The last work of Spanish archaeologists on the study of the remains of fauna in 17 places in Vasco Cantabria (Northern Spain and Southern France), inhabited by Neanderthals and modern people, is indirectly confirmed.
According to the report, Homo neandertalensis disappeared several thousand years ago. According to scientists, Cro-Manons traveled long distances in pursuit of predators. On the other hand, Neanderthals preferred not to stray too far from their camps, as they were more dependent on the environment and often starved. In this sense, cannibal episodes between them are also expressed.
Researchers from the University of Aix-Marseille and the French Blood Organization at the National Center for Scientific Research wanted to determine the blood types of prehistoric people. The genomes of three Neanderthals were analyzed in Denisova and Denisova caves, Chagyrska cave and Vindia cave in Croatia. It was about women who lived here 130-45 thousand years ago. In parallel, research on the Rh factor showed that these prehistoric humans had a higher risk of fetal incompatibility during pregnancy. This usually leads to hemolytic disease. Blood group analysis showed that the Eurasian Neanderthals and Denisovans were of African origin. In addition, variants of the same gene, located on the same parts of a pair of chromosomes, have been found in Neanderthals and in one ancient Australian, as they are called. Scientists say it is a mixture of different populations, indicating an early spread of Homo sapiens across the Arabian Peninsula to Australia and Oceania. Researchers believe that the selection of suitable genes in ancient human populations is most likely related to the pressures of natural selection and resistance to certain infectious diseases. In particular, special alleles resistant to norovirus infection were found in Neanderthals and Denisovans. In addition, the low genetic diversity of Neanderthals was confirmed. This is due to their geographical isolation as a result of climate change.

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