This post was co-written by Justine Saavedra and Tchiki Davis. Intuition can be a difficult concept to define—it is sometimes described as the sixth human sense. It happens when your brain quickly ...

A 33-year-old patient complained of flu-like symptoms. His doctor assessed him. Nothing stood out. But for some reason…the doctor decided to do a full workup. Why? “As soon as [I] started to talk to ...