Study: This 5-Minute Habit Could Transform Your Cardio Fitness—No Gym Required Business Today‘Exercise snacks,’ or short bursts of activity, shown to improve fitness and strength NBC NewsTaking two-minute exercise ‘snacks’ twice a day can boost fitness The TelegraphExercise snacks may help improve heart and lung health in sedentary adults News-MedicalJust FIVE minutes of intense exercise twice a day can dramatically boost heart health, scientists discover Daily Mail