
Man Dies After Tapeworm Inside Him Gets Cancer
A Colombian man's lung tumors turned out to have an extremely unusual cause: The rapidly growing masses weren't actually made of human cells, but were from a tapeworm living inside him.
They’re small, sneaky, and likely to make you sick. From viruses, to bacteria, to pesky protozoa, here are the latest findings on the parasites that live among (and on, and in) the creatures of the Earth.
Related Topics: Insects, Invasive Species