Three types of parasites can cause disease in humans. They are protozoa, carried by mosquitos, helminths, such as roundworm, and ectoparasites, for instance lice and bed bugs. Parasites are organisms ...

A parasite that lives permanently in the brains of millions may not be as uniformly dormant as scientists once thought.

A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma ...

Advances in vaccine technology, antibody therapies, and genetic surveillance are giving researchers new tools to fight ...

A debilitating infection from the parasitic Guinea worm is inching closer to global eradication, with an all-time low of only 10 human cases reported worldwide in 2025, the Carter Center announced. If ...

There were only 10 reported cases of Guinea worm infections confined to three countries in 2025, a historic low announced ...

Pricey deworming remedies are being touted as cure-alls. Even supermodel Heidi Klum gave it a go. But health experts say they’re not what we need ...

Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, which scientists long viewed as evolutionarily neutral since vitamin C from ...