Baltimore Washington Medical Center will offer exercise classes at its campus, 301 Hospital Drive in Glen Burnie, and at BW Health Service, 7556 Teague Road in Hanover, starting Jan. 7. The 10-week session will offer beginning yoga, beginning Pilates, beginning yoga/Pilates combination, fitness fusion, Pilates, prenatal yoga, yoga, yoga nidra and Zumba. Classes will be taught by certified instructors and are limited to 20 participants per class. Cost is $50. Bring a yoga mat. Register online at mybwmc.org/exercise.