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https://academic.oup.com/humupd/article-lookup/doi/10.1093/humupd/dmx022
>This comprehensive meta-regression analysis reports a significant decline in sperm counts (as measured by SC and TSC) between 1973 and 2011, driven by a 50–60% decline among men unselected by fertility from North America, Europe, Australia and New Zealand. Because of the significant public health implications of these results, research on the causes of this continuing decline is urgently needed.
The sterilization has begun.
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>fast food and xenoestrogen
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>>135237665
wew no wonder masculinity is dying.
Maybe its time I fall for the NoFap meme.
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>>135237881
>implying masturbating lowers testosterone
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>>135237665
all the estrogenic plastics leeching into our water supply and the pesticides we use that disrupt hormone production compound to poison the male endocerine system and testicals
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