For older people just starting to work out, whether you are 55 or 95 years old, its important to ensure that exercise does not cause more harm than good. Oak Hammocks fitness program director Justin Smith helped NewsHour to outline some tips for older people on how to get click active safely. Photo by Ellen Rolfes/PBS NewsHour. 1. Start low and slow. You shouldnt go too hard, too soon in your workouts.