Evidence based practice; Scientific medicine
Evidence based medicine (EBM) is the “conscientious, explicit, and judicious use of current best evidence in making decisions about the care of individual patients” .
Although medical practice is historically based on observation and best attempts at scientific method, early medical practices often involved trial and error or observations of one or a few cases. In the last century, advances in research, experience, technology, and communications have moved medicine more towards practice based on established evidence.
Individuals especially responsible for promoting, developing, describing, and discussing EBM have included Archie Cochrane, David Sackett , and Gordon Guyatt . The international Cochrane Collaboration  has emerged to continue to advance EBM throughout the world. This and several other organizations, such as the US Preventive Services Task Force , have assembled, analyzed, and graded...