After World War II, the need to diagnose and treat returning soldiers for mental illness led to the development of "<span>the Commission on Health to examine the health needs of returning soldiers and their families"
The 20 minute physical activity I performed was doing yardwork. It was fairly easy to do, besides a lot of bending down involved to pick up sticks. I did it in my front and backyard for a bit over 20 minutes, and no one did it with me.