Holistic medicine, system of health care based on a concept of the whole person as one whose body, mind, spirit, and emotions are in balance with the environment. Stressing personal responsibi...

Space medicine, study of the medical and biological effects of space travel on living organisms. The principal aim is to discover how well and for how long humans can withstand the extreme con...

Homeopathy, system of medicine whose fundamental principle is the law of similars—that like is cured by like. It was first given practical application by Samuel Hahnemann of Leipzig, Germany, ...

Informed consent, in medicine, a patient's written consent to a surgical or medical procedure or other course of treatment, given after the physician has told the patient all of the potential ...

Drexel University, at Philadelphia, Pa.; coeducational; founded 1891 by Anthony J. Drexel, opened 1892, chartered 1894 as Drexel Institute of Art, Science, and Industry. It was renamed Drexel ...

Juniper, any tree or shrub of the genus Juniperus, aromatic evergreens of the family Cupressaceae (cypress family), widely distributed over the north temperate zone. Many are valuable as a sou...

Tattoo, the marking of the skin with punctures into which pigment is rubbed. The word originates from the Tahitian tattau [to mark]. The term is sometimes extended to scarification, which cons...

Silicone, polymer in which atoms of silicon and oxygen alternate in a chain; various organic radicals, such as the methyl group, CH3, are bound to the silicon atoms. Silicones, which are unusu...

Mustard, common name for the Cruciferae, a large family chiefly of herbs of north temperate regions. The easily distinguished flowers of the Cruciferae have four petals arranged diagonally (cr...

DDT or 2,2-bis(p-chlorophenyl)-1,1,1,-trichloroethane, chlorinated hydrocarbon compound used as an insecticide. First introduced during the 1940s, it killed insects that spread disease and fee...