Moneyball Medicine

Chances are you or someone you love has had a biopsy to check for cancer. Doctors got a tissue sample and they sent it into a pathology lab, and at some point you got a result back. If you were lucky, it was negative and there was no cancer. But have you ever wondered exactly what happens in between those steps? Until recently, it’s been a meticulous but imperfect manual process where a pathologist would put a thin slice of tissue under a high-powered microscope and examine the cells by eye, looking for patterns that indicate malignancy. But now the process is going digital—and growing more accurate.Harry's guest this week is Leo Grady, CEO of, Paige AI, which makes an AI-driven test called Paige Prostate. Grady says that in a clinical study, pathologists who had help from the Paige system accurately diagnosed prostate cancer almost 97 percent of the time, up from 90 percent without the tool. That translates into a 70 percent reduction in false negatives—nice odds if your own health is on the line. This week