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 ...

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

Any form of life can be parasitic, whether it’s fungi, bacteria, plants or animals. Several estimates suggest that parasites actually outnumber “free living” organisms by about 3 to 2 ...

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

Parasites. They can invade the blood, the digestive tract, even the bile duct. They enter through the mouth, through the skin, through the nose. They can cause disease, blindness and sometimes ...

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

Human parasites are also ubiquitous. They're found everywhere and live in almost every major organ of the body -- including the eyes, brain, blood and, most commonly, the murky backwaters of the ...

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