What happens during obstructive sleep apnea?

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

Intuniv (guanfacine): Introduction and ADHD Overview

An overview of childhood Attention Deficit Disorder Hyperactivity (ADHD) and the non-stimulant treatment Intuniv (guanfacine).

• Intuniv
• ADHD

Radiofrequency ablation of the esophagus

Radiofrequency ablation video shows high-frequency radio wave treatment for Barrett's esophagus and esophageal cancer.

Athetosis resulting from basal ganglia injury

This animation illustrates the location of basal ganglia in the brain. Injury to the basal ganglia may result in athetosis (constant writhing movements of the body).

• Injury
• Headache

Abdominal crunch

The abdominal crunch is a classic core-strength exercise. See how it's done.