Upper GI endoscopy is a procedure in which a doctor uses an endoscope—a flexible tube with a camera—to see the lining of your upper GI tract.

Blood groups explained, and how your blood works to provide life to your entire body. Understand donor compatibility and classification.

THE BAD NEWS? ALL THREE of the COVID-19 vaccines approved in the United States seem to be significantly less protective against the new Omicron variant...

Alzheimer’s is only one dementia, and there are many others, currently about ten types. The problem is in identifying the individual’s precise dementia and treating it appropriately.