What Makes Dickens a Lousy Running Buddy? - WSJ.com
“Nearly one-quarter of all audiobook buyers reported listening while exercising, according to a recent survey by the Audio Publishers Association, an industry trade group.
… Though the runner may not realize it consciously, his or her mind constantly switches back and forth between the two tasks—a ping-pong effect that might even be hazardous to a runner’s health.”
(via LISNews)