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Abdominal ball raise with fitness ball

You can do many exercises with a fitness ball. See the abdominal ball raise.


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Allergy tests

What happens in an allergy test? Watch this video and find out.

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.

Biceps curl with resistance tubing

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

HIV Animation

This animation shows the HIV molecule, its components, and what it does inside the body to an infected person.

How diabetes affects your blood sugar

See how diabetes, blood sugar and insulin are related.

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