“In a dramatic demonstration of the power of personalized medicine, doctors in Boston created a treatment just for her. In only eight months, they found the genetic cause of Mila’s disease, designed a drug to overcome the error, and began giving it to Mila via an injection in her spine, in what’s believed to be first individually tailored treatment of its kind.” Doctors created a drug so specific it is named after its only patient. MIT Tech Review: This girl’s dramatic story shows hyper-personalized medicine is possible—and costly.