The problem of iatrogenesis 3rd leading cause of death in hospitalized patients Estimated at 200,000-400,000 patients annually 6.8 % of cases were attributable to an adverse drug reaction 1964-1995 FDA/ADR data (2011) 2.1 to 2.7 million Americans suffer from an serious adverse drug reaction annually 128,000 result in death James, J.T., 2013. A new, evidence-based estimate of patient harms associated with hospital care. Journal of patient safety, 9(3), pp.122-128; Null , G., Dean, C., Feldman, M. and Rasio , D., 2005. Death by medicine. Journal of Orthomolecular Medicine, 20(1), pp.21-34; Makary , M.A. and Daniel, M., 2016. Medical error—the third leading cause of death in the US. Bmj , 353, p.i2139; Stokowski , L.A., 2016. Who believes that medical error is the third leading cause of hospital deaths. Medscape, May, 26Light, D.W., Lexchin , J. and Darrow, J.J., 2013. Institutional corruption of pharmaceuticals and the myth of safe and effective drugs; Light , D.W., Lexchin , J. and Darrow, J.J., 2013. Institutional corruption of pharmaceuticals and the myth of safe and effective drugs .. Even as currently defined.