MANHATTAN, Kan. (AP) — Jill Rheaume knows what you're thinking when you hear about the type of business she operates.

"Yes, it's a thing," Rheaume said about Healing Companion, her canine massage therapy business.

Rheaume, 40, of St. George has operated Healing Companion for more than a year after opening her office inside MuttSchool, a dog training school just east of Manhattan Regional Airport.

Many people don't realize the everyday stressors that can affect a dog, Rheaume said. Stress can manifest itself in dogs as panting, pacing, vomiting, lethargy and other behaviors. Some regular stress...