When We Do Harm: A Doctor Confronts Medical ErrorMedical mistakes are more pervasive than we think. How can we improve outcomes? An acclaimed MD's rich stories and research explore patient safety. Patients enter the medical system with faith that they will receive the best care possible, so when things go wrong, it's a profound and painful breach. Medical science has made enormous strides in decreasing mortality and suffering, but there's no doubt that treatment can also cause harm, a significant