西洋人の男の精子数が 1970年代に比べ半分以下に減少

はじめに


・…という調査結果を記録。

抜粋(デタラメ)


・ただし、アフリカや南アメリカではこのような減少は生じていないと。


Demographic Dysphoria Looms As Doctors Discover Sperm Counts In Western Men Plummeted Nearly 60%


20170729_sperms.jpg


“The results are quite shocking,” Hagai Levine, an epidemiologist from the Hebrew University of Jerusalem, told The Guardian. Levine led the international team of researchers, who examined 185 individual studies conducted between 1973 and 2011.

The analysis, published in the medical journal Human Reproduction Update, additionally revealed that on average, Western men’s sperm concentration - the number of sperm within a semen ejaculate - is falling 1.4 percent a year. Added up, that calculates to an overall drop of more than 50 percent since the early 1970s.

“This is a classic under the radar huge public health problem that is really neglected,” said Levine. The team notes in its report that recent studies have shown an association between poor sperm counts and overall morbidity and mortality.

Unlike with Western nations, the team found no similar trend among the male populations of less-developed countries, such as those in Africa and South America.

Ref: http://www.zerohedge.com/news/2017-07-28/demographic-dysphoria-looms-doctors-discover-sperm-counts-western-men-plummeted-near


(2017-07-29)
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