Heartburn is characterized by a burning sensation in the chest behind the breastbone. It occurs when stomach acid moves up into the esophagus. When you swallow, a band of muscle called the lower esophageal sphincter loosens to give way for food and liquid to enter the stomach, after which it tightens once more. But when […]
A heartburn feels like a radiating pain in your chest, and can sometimes be mistaken for a heart attack. Learn more about it here.