Who among us leaves childhood without singing this ghoulish schoolyard refrain: "The worms crawl in, the worms crawl out, in your stomach and out your mouth." The morbid yuck factor that makes that ...

Now in its third gut-wrenching season, “Monsters Inside Me” (7 p.m., Animal Planet) explores those tiny microscopic bugs that dwell inside every human being. Most of the time, such bacteria help us ...

A surgeon reviews shocking cases from the show “Monsters Inside Me,” highlighting unusual medical conditions.

These killers lie dormant, waiting for the right time to strike. Eleven-month-old Garrett Richardson ingests the eggs of a worm, and within days the creature travels to his brain and goes about ...

A middle-aged man who has been caring for his ailing mother gets Babesiosis from walking barefoot to the mailbox. Since he lost his spleen from cancer, he gets severe diarrhea, in addition to fever, ...