A Causal Analysis of Interrelationships among Exercise, Physical Fitness, and Well-Being in U.S. Navy Personnel

Using Internet and Mobile Phone Technology to Deliver an Automated Physical Activity Program: Randomized Controlled Trial

“…It accounts for about 12% of all deaths [1] and is associated with debilitating conditions [2]. In contrast, physical activity has been linked to positive health outcomes [3] and general well-being [4]. …”