Discretizations By David Oliver on February 9, 2012 Posted in Causality, Epidemiology, Risk The end of the age of screening is at hand. Matrixx v. Siracusano was about an investor’s right to material facts and not about sound statistical inference. Subsequent asbestos exposures do not increase the risk of mesothelioma produced by distant past / early life (prior to age 30) asbestos exposures. The XMRV fiasco could have been avoided by the application of an updated set of Koch’s postulates. There’s a gene variant that makes some people’s addiction to nicotine stronger and take hold earlier.