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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.

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Biceps curl with dumbbell

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

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Seated leg press with weight machine

The leg press exercise strengthens the lower body. See how it's done.

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Opdivo: Uses, How It Works, and Common Side Effects

Opdivo is a medication used to help your body fight certain cancers. It is an immunotherapy treatment that can be given alone or in combination with other therapies, including Yervoy.

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Ultomiris: Uses, How It Works, and Common Side Effects

Ultomiris is an intravenous infusion used to treat rare conditions caused by an overactive immune system, including paroxysmal nocturnal hemoglobinuria, atypical hemolytic uremic syndrome, generalized myasthenia gravis, and neuromyelitis optica spectrum disorder.

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An asthma attack

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

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