Advocacy and community: the social roles of physicians in the last 1000 years. Part II.

Medicine in the 16th through the 18th centuries underwent profound changes -- from its understanding of the human body to its growing significance in the body politic. Key to advances in medicine as well as to the growth of nations was a conceptual shift in the perception of the natural world, which would ultimately provide a methodology for therapeutic advances as well as for the building of wealthy, strong nations.