Capt. Ronald H. Helms, a mental health nurse with the 94th Aeromedical Staging Squadron at Dobbins Air Reserve Base, Ga., doesn't view fitness as a chore. He sees it as a joy."Most importantly, fitness is fun, it gets me outdoors, and there are lasting, overall health benefits," said Helms. "I am 56 years old, and it is imperative I stay fit for a