
Hyperventilation
Hyperventilation is rapid or deep breathing that can occur with anxiety or panic. It is also called overbreathing, and may leave you feeling breathless. See also: Rapid shallow breathing More »
Anxiety
Stress can come from any situation or thought that makes you feel frustrated, angry, or anxious. What is stressful to one person is not necessarily stressful to another. Anxiety is a feeling of apprehension or fear. The source of this uneasiness i... More »
Gas
Gas, also called flatus or flatulence, is air in the intestine that is passed through the rectum. Air that is passed from the digestive tract through the mouth is called belching. More »