... even when not being chased by the police or an irate "insignificant other"
[LINK] An Essay on Human Evolution, by Clyde M. Davenport
Have you ever wondered why we, today, seem to obsessively insist upon exercising our running abilities?
Do you think it is a simple happenstance that the Olympic running events begin with 100, 200, and 400-meter sprints?
The linked (rather long) essay (also in the continuation) offers at least a plausible explanation, well worth pondering.