Under normal conditions, we all lose body water daily through sweat, tears, breathing, urine, and stool. In a healthy person, this water is replaced by drinking fluids and eating foods that contain ...

What is generalized anxiety disorder? If you tend to worry a lot, even when there’s no reason, you may have generalized anxiety disorder (GAD). GAD means that you are worrying constantly and can’t ...

Medical tests aren’t just for diagnosing disorders once symptoms appear—they’re also routinely used as an important aspect of preventive health care. People who see their doctor regularly and have ...

Tens of thousands of people each year are injured by lawn mowers in the U.S. The medical team at Johns Hopkins Children’s ...

What is an upper GI endoscopy? An upper GI endoscopy or EGD (esophagogastroduodenoscopy) is a procedure to diagnose and treat problems in your upper GI (gastrointestinal) tract. The upper GI tract ...