Teens to Seniors, Study Finds A Nation of Couch Potatoes

A new study finds that general activity levels among children and teens is lower than previously thought and that 19-year-olds are essentially as inactive as 60-year-olds. In fact, the only activity increases found throughout the lifespan are in young adults after the age of 20. Then, starting at age 35, activity levels tend to decline through midlife and older adulthood....
https://psychcentral.com/news/2017/06/18/teens-to-seniors-study-finds-a-nation-of-couch-potatoes/122052.html