Yoga is an excellent way to relieve stress, release tension, improve breathing and build strength and flexibility. This class is designed to be accessible to people of all levels and body types. A great introduction for beginners or a review of basic alignment and form for more experienced practitioners. Each session will be unique in theme and physical focus, while incorporating poetry, meditation, and deep relaxation. Facilitator: Katharine Atkinson received yoga  certification from an Iyengar instructor in India in 1999. Eight Wednesdays; 5:30–6:30 p.m.; B102; $40.