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Genetic research from Texas Biomed shows human and cattle schistosome parasites are not currently interbreeding, easing concerns over cross-species infection risks.
Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...
More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting humans, according to a new study from researchers at UC San Diego’s ...
Toxoplasma: Some sperm cells had holes in their head, suggesting the parasites were trying to invade them as it would any ...
After a decades-long campaign to beat the parasites down to Panama, they’re speeding back up north.
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