Carretha Jackson
A
Frisch: You found about a 1 percent decline in sperm counts per year.

Swan: Yes, which would mean a 50 percent decline over fifty years. We’re actually seeing something a little steeper than that.
Carretha Jackson @CarrethaJackson
"Production of the chemicals that I think contributed to this decline — there are other factors as well — began to take off after the Second World War. So it’s plausible that THIS HAS BEEN GOING ON FOR SIXTY YEARS, or two generations. Not a long time evolutionarily." #FertilityRate 📉
04:31 PM - Jul 17, 2023
04:34 PM - Jul 17, 2023
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