Bunion

Retina

This animation shows the process in which light is transformed by the retina as electrical impulses that travel to the brain through the optic nerve.

• Vision

Cryotherapy of the esophagus

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

Concussion

This animation shows the head receiving two impacts. One on the front, and one on the side from a boxing glove.

• Headache
• Pain

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

Ozempic is used in adults for type 2 diabetes to improve blood sugar levels and also to lower the risk of stroke or heart attacks in adults with type 2 diabetes and who have heart disease. It should be used together with diet and exercise.

• Ozempic

Allergy tests

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