Pinworms are the cause of a highly contagious intestinal infection in humans. Learn about its symptoms, the tape test, and effective methods of treatment.

Parasites live in and feed on human blood, tissues, and intestines. As they multiply and lay eggs, they can harm your health. Parasites pick up infections like malaria, toxoplasmosis, and ...

More than 90% of popular freshwater fish in Southern California are carrying human-infecting parasites, researchers say. This poses a significant danger for those who like to eat freshly caught ...