(CNN) Helen Costa-Giles starts her days like a race car getting off the starting line. By 5:30 a.m., she's in full throttle, doing wind sprints in her driveway and barking exercise orders to her neighbors. There's no secret sauce that makes her workouts special. "It doesn't need to be a fancy gym. It doesn't need to be a special program.

Source: CNN April 05, 2019 08:15 UTC