According to a 1998 study in The Journal of the American Medical Association, 2.2 million patients a year have adverse reactions to drugs; 106,000 of them die. Many millions are simply aren't helped,
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/screening-genes
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/newsweek-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health