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A common parasite can decapitate human sperm − with implications for male fertility

  • Written by Bill Sullivan, Professor of Microbiology and Immunology, Indiana University
image_Toxoplasma_ can infiltrate the reproductive system.wildpixel/iStock via Getty Images Plus

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 infertility rates increased nearly 80% from 1990 to 2019. The...

Read more: A common parasite can decapitate human sperm − with implications for male fertility

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