It sounds so simple ... apply well-tested information technology approaches to the health-care system and watch the quality go up, costs fall and all our problems disappear.
This is not so simple. Consider the simple idea of sharing hospital system data with patients in Personal Health Records (like Microsoft Healthvault and Google Health). Ask e-Patient Dave and John Halamka CIO of Beth Israel Deaconess Medical Center (and Harvard Medical School). Ask David Harlow, expert on health law issues. Read the recent survey in The Economist.
Have a look at the latest news on the Human Genome ... now showing that genetic predispositions to disease are less and less clear (not more and more)!