Reverse fly with dumbbell for upper back

How to choose a fitness ball

A fitness ball is versatile, but it's not one-size-fits-all. See your options.

Diabetes mellitus - retinal conditions

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

• Diabetes
• Vision

How to use a peak flow meter

Improve asthma control by using a peak flow meter, demonstrated in this video.

An asthma attack

In an asthma attack, inflamed and swollen airways make breathing difficult.

Hip abduction walk with resistance tubing

The hip abduction walk targets the hip muscles. See how it's done.