Ther 2003;8(1):71-83Pharmacogenomics Drug disposition, drug targets, and side effectsEvans, WE, and McLeod, HLNEJM 2003; 348:538-549Economic issues from molecule to marketplacePharmacogenomics eventually can lead to an overall decrease in the cost of health care because of decreases in:the number of adverse drug reactions,the number of failed drug trials,the time it takes to get a drug approved,the length of time patients are on medication,the number of medications patients must take to find an effective therapy, andthe effects of a disease on the body (through