A sudden drop in blood pressure means vital organs may not be getting enough blood flow. Common causes include dehydration, heart problems, and internal bleeding. Decreased cardiac output can cause a ...

Hypoglycemia occurs when blood sugar (glucose) levels fall below 70 milligrams per deciliter, creating a medical emergency that requires immediate treatment. The condition affects people with and ...

When we hear about blood pressure, it's often in the context of hypertension — the "silent killer" that increases long-term risk for heart attacks and strokes. But there’s another side to the story ...

When it comes to needles and drawing blood, most patients agree that bigger is not better. But in the first study of its kind, Rice University bioengineers have found results from a single drop of ...