I was skeptical of this one at first.
Hoping for parasite researcher mexanon to jump in here.

URIC ACID SURPLUS fucks up men disproportionately. Combine it with pseudoestrogenic chemicals in the food and water supply and we see a multi-faceted emasculation effect in the populus.

Some parasites are connected to raising Uric Acid levels in their host. Normally it causes gout, but another side effect is lowering testosterone levels and erectile dysfunction.

https://www.thegoutkiller.com/blog/gout-causes/do-parasites-cause-gout/

>Plasmodium falciparum-Derived Uric Acid Precipitates Induce Maturation of Dendritic Cells
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3565962/

>Plasmodium-Induced Inflammation by Uric Acid
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2267007/

https://getridgout.com/does-testosterone-level-have-an-effect-to-gout/

https://www.hindawi.com/journals/ije/2017/4375253/

https://www.medicaldaily.com/erectile-dysfunction-common-men-gout-ed-diagnosis-often-precedes-underlying-vascular-287894

https://www.usnews3.com/2020/06/27/top-20-home-remedies-that-reduce-uric-acid-levels/