Dr. Erik Hendrickson, Tai Chi teaching assistant in red T-shirt, leads a group through a Tai Chi move at the Be Well Center at Beth Israel Deaconess Medical Center while Dr. Dan Rooks (3rd from left in back), Director of the Be Well Program, looks on. The class was organized by Dr. Rooks for the Longwood area in association with the Joslin Diabetes Center, a Harvard Medical School affiliate of Caregroup.