Mia Poklepovich hits her target with a satisfying whack. It's one fluid motion, but it's also so much more. Mia isn't just returning a tennis ball; she's releasing the stress of a hard week running her small business, she's spending time with friends, she's getting her heart rate up. (She may score extra laps around the sun, too – a study in Mayo Clinic Proceedings found playing tennis increases life expectancy by nearly a decade.)
“There's something very rewarding about hitting a good