Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...

There are two types of human intestinal ... they create eggs that leave the body in the host’s feces, UCLA experts say. The most common way of contracting an intestinal parasite is eating ...

Scientists have discovered a new species of human parasite that appears to be resistant to common antiparasitic treatments ... The parasite's eggs are passed in infected people's feces; the ...

the countries are again united on one common enemy: the New World Screwworm. A parasite, the New World Screwworm, is actually a fly. Female screwworm flies lay eggs in wounds or body openings of ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm ...