The map show the most and least active countries Source: nih.gov Health and Fitness NIH-Funded Team Uses Smartphone Data in Global Study of Physical Activity by Press on July 10, 2017 Press Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 Large-scale study reveals targets for obesity prevention, wisdom of walkable communities.