During the pandemic, it struck me that some of the worst effects were felt by teenagers. Besides not being able to socialise with their friends, there was the shutting down of physical activity.
How important was that to them? And what harmful effects did it have?
To answer those questions, in a world first, researchers from the universities of Edinburgh, Strathclyde, Bristol, and Georgia in the US, looked at the levels of physical activity in 4,755 11-year-olds, which was measured using devices.
