CAMBRIDGE, United Kingdom -- A British man kept having headache after headache, and doctors couldn't figure out what was wrong. When they finally conducted an MRI, doctors discovered something ...

Anna Phillips holds a colorized electron microscope image of a species of tapeworm taken from a cow-nosed ray (“Rhinoptera bonasus”), a marine animal. Produced by Kiersten Jensen at the University of ...

A 52-year-old man in Florida has been discharged from the hospital after receiving treatment for a life-threatening tapeworm that was found in his brain. The parasite is thought to have come from ...