You know breathing is always critical. Your body’s cells need oxygen to function, and you need to release carbon dioxide, a waste gas, through exhalation. When you run (or participate in any other ...

Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

The best breathing exercises include deep breathing, pursed-lip breathing, and the 4-7-8 method. Benefits of breathing exercises include improved focus, reduced anxiety, and better sleep. Practice ...