A doctor explains how to boost your longevity in just 4 minutes a day, with exercises you can do at home

Dr. Christopher Sciamanna, a Penn State professor, developed a 4-minute daily exercise routine combining push-ups, squats, stair-stepping, and resistance-band rows to improve longevity and mobility. A 12-week study showed participants with mobility issues improved their balance and strength, linking short workouts to healthier aging.