Exercise key to heart health Dr. Joe Boyd is a cardiologist who practices primarily at Saint Thomas West in Nashville, but he has come to McMinnville to see patients once a week for 31 years. One of the best things a person can do to better their heart health is to exercise. Latest Five Below on its way Business Pulse- A real gem of a family Business Pulse- Hey batter, batter ... swing! Business Monthly- Rocket science? Precisely!