Animal Planet - Monsters Inside Me S02E06: Stowaways (2010)

A carpenter deals with the Japanese lungfluke, which causes him to have trouble breathing, from eating live crabs. A bike rider develops a rash on her groin and upper thighs from a parasitic worm called Schistostoma, which could possibly give her bladder cancer. A guidance counselor, who was an army veteran, develops an insatiable appetite, unusual weight loss, and abdominal pain pulls out a parasitic roundworm called Ascaris, which he picked up from eating contaminated food while serving in the army.