How to choose resistance tubing

Squat with dumbbell exercise for leg muscles

The squat with dumbbells is an exercise that targets the leg muscles. See how it's done.

Seated leg press with weight machine

The leg press exercise strengthens the lower body. See how it's done.

Seated row with resistance tubing

The seated row with resistance tubing targets the muscles in the upper back. See how it's done.

Allergy tests

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

Twin to twin Transfusion Syndrome (TTTS)

Twin-to-twin transfusion syndrome (TTTS) is a rare condition that occurs only in identical twins while they are in the womb. This animation explains the syndrome and how it is corrected.

• Pregnancy