Every year, John Thyfault snaps the same photo, and it makes him a little sad. Thyfault, PhD, is an associate professor at Kansas University Medical Center, where he studies the health effects of exercise. Each year, he travels to the American Diabetes Association's annual scientific sessions. The…

Selling yoga..! The rest of the world looked at the nation that wanted to teach the rest of the world, yoga, “You want to teach us yoga?” asked the rest of the world to the nation that wanted to teach the rest of the world yoga. “Yes,” said the nation that wanted to teach the…