Tai Chi for Health Part 1. Are you interested in improving your balance and/or reducing joint pain through gentle movement? Recommended by the Arthritis Foundation and the National Council on Aging, this evidence-based class has been shown to ease joint pain and improve balance. The class was developed by Dr. Paul Lam and is based on Sun style tai chi. Basic principles of tai chi are incorporated into the class to leave you feeling calm, relaxed, and well. Session A is not required to take Session B. Limited enrollment.