Superior mesenteric artery (SMA) syndrome is a condition that affects the duodenum — the section of the small intestine that joins the stomach. The syndrome is caused by the compressing of the ...

Anorexia nervosa (AN) is an eating disorder with signs and symptoms of severe weight loss, restrictive eating, and fear of weight gain. While not everyone with AN is severely underweight, many ...

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Dr. Paul Friedman answers the question: 'Heart Block versus Artery Blockage?' — -- Question: I have been diagnosed with heart block. How does this differ from blockage in one of my arteries?