The Stoneham Chamber of Commerce has announced that exhibit space for its annual Health & Wellness Expo is sold out. The expo, scheduled to take place from 9 a.m. to 2 p.m. Saturday at Stoneham Middle School, 101 Central St., will feature exhibitors representing health, wellness, preventative health, and fitness businesses. This year’s exhibitors include Action Ambulance, Agility Orthopedics, Children’s Dental Care, Fuller House of Stoneham, Melanoma Education Foundation, Redstone Chiropractic Healing Center LLC, and the event’s sponsors, StonehamBank, Stop & Shop, Hallmark Health System, and Winchester Hospital. Exhibitors will introduce their businesses and answer questions. Many will offer free health screenings, facial sun damage checks, massages, and interactive activities for children and adults.