A shocking new study shows that 90% of freshwater fish in Southern California may be carrying parasites that can infect ...

A microscopic parasite quietly infects the brains of millions worldwide. Known scientifically as Toxoplasma gondii, this tiny ...

Parasites live in other host organisms and depend on them for survival. Parasites that can affect humans include ticks, lice, and hookworms. Symptoms of a parasite infection in humans can vary ...

A University of California, Riverside-led team has made an advance in the basic understanding of Plasmodium falciparum, the ...

If you've handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

Over 1,400 species of parasites -- viruses, bacteria, fungi, intestinal worms and protozoa -- are able to infect humans. In most cases, the right medicine against a parasite cures the patient. If ...

Ticks are parasites that bite and feed on humans and pets. They can spread Lyme disease and other infections. Here's what to ...

Much later, in the 19th Century, swimming pools emerged in Britain and the US. But along with them came the challenge of ...

Over 1,400 species of parasites – viruses, bacteria, fungi, intestinal worms and protozoa – are able to infect humans. In most cases, the right medicine against a parasite cures the patient.

Malaria parasites survive the mosquito-free dry season by waiting silently in humans for the return of the rainy season that brings back with it mosquitoes. New research, by an international team ...

Some gnarly eye parasites are accidental guests in the human body. For others, our peepers are prime real estate.