Hearing and the Cochlea

Epinephrine and exercise

This animation shows the release of epinephrine and its effect of the heart.

• Exercise & Fitness

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.

• Qulipta

Zoloft (sertraline): Mechanism, Clinical Trials, and Dosing

An overview of how sertraline works in depression, clinical study data, and general dosing tips

• Zoloft

Bent-over row with resistance tubing

The bent-over row with resistance tubing targets the back of the shoulder. See how it's done.

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

Biktarvy is a complete HIV-1 treatment in a once-a-day single tablet that contains three antiviral medicines bictegravir, emtricitabine, and tenofovir.

• Biktarvy