The health and fitness experts at Harvard Medical School perfected workout routines that use your own body weight to strengthen your whole body — routines that offer a wealth of better health and more pep in your step. They’re all in the Body-Weight Exercise Special Health Report, along with step-by-step directions and how-to photos. You can do these feel-younger exercises at home and adjust them to your fitness level. And there’s positively no equipment necessary to get great results.