Geri Seal, 28th Medical Operations Squadron health promotion program manager, explains to attendees of the Better Body Better Life class that the heart is also a muscle that needs to be exercised in the Health and Wellness Center at Ellsworth Air Force Base, S.D., Oct. 10, 2013. The HAWC offers a variety of nutrition and dietary classes to help Airmen, families and civilians to be proactive about their health. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)