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 ...

Intestinal worms are organisms that feed off the human body. Tapeworm, hookworm, pinworm, and other types of worms affect the body in different ways. A person may notice worms in stool. Types of ...

Popular legend claims that drinking from the fountain of youth will keep one’s body vigorous and vivacious for years to come. Prof. Sylvia Lee, molecular biology and genetics, may have discovered such ...