If you ever question whether we have become a society of couch-potato, sedentary, lazy people…go for a run (actually, so as not to be intimidated, you might want to start with walk) in Central Park in New York City.  First of all, there are literally thousands of people (I was there on a Monday) in the park…running, walking, biking, and roller blading for exercise.  The one thing they almost all have in common?   SPEED! [Read more…]