Fitness addicts are changing images as well as bodies
"I'm in a special group because I have the discipline to keep myself in top shape. I feel far superior to those who don't take care of their bodies. I'm not scared to do anything, and sometimes I feel insurmountable. I have a right to be proud."
Kent Wittman, 27, a banker in Houston
They are still young, although the impertinent encroachments of middle age are beginning to make themselves felt in lungs and limbs. Deskbound by day, they work at fast-track jobs whose rewards and stresses...