How to use a peak flow meter

Trelegy Ellipta: Uses, How It Works, and Common Side Effects

Trelegy ellipta (fluticasone, umeclidinium, vilanterol) is used to treat COPD including bronchitis and emphysema, and it is also used as a maintenance treatment for asthma in adults.

• Trelegy Ellipta

Allergy tests

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

Chest press with weight machine

The chest press exercise with weight machine targets the chest muscles. See how it's done.

Knee extension with weight machine

The knee extension exercise targets the front of the thigh. See how it's done.

Diabetes mellitus - retinal conditions

This animation depicts changes to the retina resulting from diabetes mellitus.

• Diabetes
• Vision