Posted: 7:31 p.m. Tuesday, Dec. 27, 2011
Ready to get motivated for a 2012 fitness resolution? Start by watching this inspirational "visual lecture" gone viral, made by Dr. Mike Evans, a professor at the University of Toronto and a practicing physician.
Dr. Evans answers the question, "23 and 1/2 hours: What is the single best thing we can do for our health?"