Photodynamic therapy of the esophagus

Concussion

This animation shows the head receiving two impacts. One on the front, and one on the side from a boxing glove.

• Headache
• Pain

Emergency Contraceptive Pills: How They Work, Safety and Side Effects

An overview of how the emergency contraceptive pill works, safety and common side effects

• Next Choice One Dose
• Birth Control
• Women's Health

Bladder function - neurological control

This animation shows the neurological control of normal bladder function.

• UTI

An asthma attack

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

Reverse shoulder replacement

Reverse shoulder replacement may be needed if your rotator cuff is severely damaged.