Most doctors today still follow the trial-and-error approach to healing their patients. They prescribe a treatment that works for the greatest percentage of patients. If it fails, they try something else. But thanks to the genomics revolution, a new, much more effective approach is becoming possible, and the results are truly astounding. Using the personalized medicine approach, doctors can order blood tests that reveal the precise type of disease the patient has, as well as whether he or she carries the genes that will make a particular drug or treatment more or less potent. As a result, doctors can prescribe the right treatment in the right dose the first time. This has already saved patients’ lives and it promises to transform medicine. But, when will this become commonplace? What are its implications? And, what are the threats and opportunities as personalized medicine becomes mainstream? We’ll tell you.