Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...
Share on Pinterest Could a cat poop parasite become an agile vehicle for brain-health drugs? Image credit: Stefania Pelfini, La Waziya Photography/Getty Images. A parasite that is most widely known ...
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