Heart and circulatory system

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.

Causes of endometriosis

Animation of endometriosis as it develops and causes tissue damage in a woman's reproductive tract.

Qulipta: Uses, How it Works & Common Side Effects

Qulipta is a prescription medicine used to help prevent migraine headaches in adults, it is not used to treat an active migraine. Common Qulipta side effects may include nausea, constipation, feeling tired or weight loss.

• Qulipta

Biceps curl with weight machine

The biceps curl with weight machine builds strength in the upper arm. See how it's done.

How to use a peak flow meter

Improve asthma control by using a peak flow meter, demonstrated in this video.