Standard, conventional, or orthodox medicine, also called allopathy, defines health as the absence of disease. In contrast, holistic medicine a state of complete physical, mental, and social well-being. Conventional medicine usually focus on sick people who do not seek treatment until they become ill; there is little emphasis on preventive treatment. The main causes of illness are considered to be pathogens-bacteria or viruses-or biochemical imbalances. Scientific tests are often used in...