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What is blood pressure?

Watch this video to see what your blood pressure reading means.


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An asthma attack

In an asthma attack, inflamed and swollen airways make breathing difficult.

What is A1C and why it matters

The A1C test (also known as the hemoglobin A1c, HbA1c, or glycated hemoglobin test) is a common blood test used to diagnose type 1 and type 2 diabetes and prediabetes.

Cryotherapy of the esophagus

Cryotherapy video shows use of extreme cold treatment for Barrett's esophagus and esophageal cancer.

Heart and circulatory system

Watch this video to see how a healthy heart works.

Hamstring curl with resistance tubing

The hamstring curl with resistance tubing targets the back of the thigh. See how it's done.

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