My husband and I are in the car, and he’s driving. I’m giving directions. “Make a left up there,” I tell him, pointing. “Just past the Wawa.” “A left?” Doug says incredulously, seeing­ as there isn’t ...

Telling the difference between left and right might seem as natural as knowing up from down. But it’s not that easy for a significant portion of the population. Lauren Winzer, a tattoo artist in ...