Scientists explained 59% reduction in the number of spermatozoa in Western men16 октября, 2021
In a number of recent studies, it was found that modern men, especially from Western countries, the amount of spermatozoa was halved in comparison with the mid-70s of the last century, and this is a disturbing sign. Some even started the extinction of Western civilization. Scientists from the Harvard laboratory GENDERSCI conducted an analysis of spermograms used including in the surviving metaanalysis of 2017, and came to the conclusion that there are no foundations for panic.
A major study of 2017 revealed an average of a 59 percent reduction in the number of spermatozoa in Western men for the period from 1973 to 2011. Analysis used data of 124,000 people living in Europe and the United States. The rate of reduction is about 2% per year.
The authors of the article by Human Fertility argue that their approach of biological variability is better consistent with the results of important research of factors affecting the reproductive health of men,
«Researchers should carefully weigh the options for hypotheses and choose the language and style in which they represent their ideas,» the article says at the end of the article. They complain that the 2017 metaanalysis used for its own purposes supporters of the right views and the concept of superiority of the White race to blame immigrants and feminists in the fact that they put under the blow of Western civilization.
Last year, scientists found
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