Crippling back pain can range from feeling a dull ache to a sudden, sharp pain that might shoot down the leg. If you have severe back pain, whether acute, recurring, or chronic (long-term), it may ...

An esophageal spasm occurs when the esophageal muscles contract abnormally. (These muscles are located in the esophagus, the tube that carries food to the stomach.) Often triggered by eating, these ...