A hospital announces Tai Chi and Qigong classes and other complementary and alternative medicine news. A hospital announces Tai Chi and Qigong classes: Raritan Bay Medical Center’s Department of Integrative Medicine will offer a weekly, five-part workshop series, “Wellness through Tai Chi and Qigong,” 7-9 p.m., on five consecutive Mondays, July 28-Aug. 25, at the hospital’s Perth Amboy campus, 530 New Brunswick Ave. Individuals may register for any or all classes. Cost is $20 per person for o