Health science or biomedical science is the applied science dealing with health.
There are two approaches to health science: the study and research of the food that we eat; and the study and research of health-related issues to understand how humans and other animals function, and the application of that knowledge to improve health and to prevent and curediseases.
Health research builds upon the natural sciences of biology, chemistry, and physics as well as a variety of multidisciplinary fields. Some of the other primarily research-oriented fields that make contributions to health science are biochemistry, epidemiology, genetics, and pharmacology(for a more comprehensive list, see List of health science disciplines).
A myriad of applied health specializations and professions also endeavor to better understand health, but in addition they try to directly improve the health of individuals and of people in general, as well as of other animals (see veterinary medicine). Some of these are: alternative medicine,biomedical engineering, biotechnology, clinical laboratory science, medicine, nursing, nutrition, pharmacy, public health, psychology, andphysical therapy. The provision of services to improve people's health is referred to as health care.
The health sciences industry, a multi-billion dollar business sector, is a cross-section of the life sciences and the health care and medical diagnostics industries.
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