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 ...

Research has suggested that the absence of parasite infections may be linked to an increased prevalence of inflammatory conditions. According to a new review of existing studies, parasites may have ...

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

HOUSTON, Texas (KTRK) -- Texas health officials are warning about an outbreak of illnesses caused by the parasite Cyclospora. The health department says there have been 56 cases since May, including ...

Trypanosomatids are parasites that can result in more than 1 billion potentially fatal infections per year globally. In Africa, Human African Trypanosomiasis (HAT), better known as sleeping sickness, ...

An international team led by researchers at the University of Toronto has found a new RNA virus that they believe is hitching a ride with a common human parasite. The virus, called Apocryptovirus ...

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 ...