Sixty seconds ten. . . semen

Now you see them, now you don’t Male fertility is declining. Average sperm concentration has more than halved in the past 45 years, an article in Human Reproduction Update reported, dropping from about 101.2 million sperm per mL of semen in 1973 to about 49 million per mL in 2018.1 More on that for now, yes , but the paper’s authors warned that their findings should be viewed “as a canary in a coal mine,” because if the decline continues, it “could threaten the survival of humanity.” Their meta-analysis showed that the decline in sperm production is not only prolonged but also more rapid. While sperm concentration fell by an average of 1.16% per year from 1972 to 2000, since the millennium it has fallen by 2.64% per year. Are we talking about briefs? It’s a little more complicated than that. Pollution, plastics, smoking, drugs, medicines and chemicals, as well as lifestyle symptoms such as…

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