RT Journal A1 Ioannidis JA T1 INvited commentary—genetic prediction for common diseases JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2012 FD May 14 VO 172 IS 9 SP 744 OP 746 DO 10.1001/archinternmed.2012.931 UL http://dx.doi.org/10.1001/archinternmed.2012.931 AB A major promise of human genetics has been the use of genetic information to predict the risk of common diseases in order to prevent and treat these conditions more effectively. Most common diseases have a complex etiology, and genes are expected to explain much of their risk. However, even though PubMed already retrieves more than 2 million articles with “gene OR genetic” (n = 2 015 109 as of February 10, 2011) and half (n = 1 040 434) are tagged as “Human,” there are formidable difficulties in materializing this promise.1