Meet Duke, the Minnesota K-9 who sniffs out stress

Meet Duke, the Minnesota K-9 who sniffs out stress

By Kirsten Mitchell Click here for updates on this story     Minnesota (WCCO) — We know dogs can sense our emotions, but did you know they can actually smell it, too? Duke, a 2-year-old lab, is a critical incident response dog with the Burnsville Police Department, specially trained to detect cortisol — a stress hormone — in people. “He will basically walk into a room and he’ll sniff everybody who’s in the room, and then he will zero in on that …