Scientists with the CDC report that they've detected the tropical, flesh-eating parasite leishmaniasis in patients who haven't traveled outside the country Brenton Blanchet is an Associate Editor on ...

A microscopic parasite that can live for decades in the human brain infects an estimated one-third of the world's population ...

Can’t figure out why you’ve been feeling off? If you’ve been dealing with fatigue, bloating, brain fog, or digestive drama, ...

A tropical disease once seen almost exclusively in returning travelers is now being detected in Texas and the south in people with no international travel history — caused by a parasite strain that’s ...

It literally made his skin crawl. A sewer worker in Spain had the internet gagging after he showed up at the hospital with worms squirming about under his skin, as detailed in the New England Journal ...

(CNN) — Move over mosquitos. There’s another blood-sucking biter Americans need to guard against because it can spread disease: the sand fly. Sand flies are tiny tan flies — about the quarter of the ...

Move over mosquitos. There’s another blood-sucking biter Americans need to guard against because it can spread disease: the sand fly.Sand flies are tiny tan flies — about the quarter of the size of a ...

Helical paths are everywhere in the microscopic realm. Many bacteria and parasites don’t simply swim or glide in straight lines. In three dimensions, they trace corkscrew-like tracks through their ...