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 ...

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 he or ...

Take a big inhale through your nose. Now, exhale. Breathing may seem simple, but it's controlled by a complex brain network. Each inhale gives the human brain information about the external world. And ...