There's just something about having a fuzzy four-legged animal around that puts people at ease. Dogs have become popular as therapy animals, good companions for people who need some soothing.
But their capabilities extend to being able to detect medical conditions in humans, including things like cancer. Maria Goodavage has explored the routines of working dogs in several fields.
Now she turns to medicine with Doctor Dogs: How Our Best Friends Are Becoming Our Best Medicine. We get an overview of the skills of MDs (Medical Dogs) in this interview with the author.