What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

A parasite cleanse is a diet, herbal supplement, or other product that claims to get rid of parasites in your body. People who promote these cleanses claim that parasites are the cause of digestive ...

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

A little-known parasitic infection in the brain received a jolt of attention Wednesday when presidential candidate Robert F. Kennedy Jr. said he once suffered from it. The condition, known as ...