This video provides a detailed description of different bariatric surgeries used to treat obesity. It describes gastric bypass surgery and lap banding with an overview of the current trends towards a laparoscopic approach. A discussion of patient selection and bariatric surgery cost is also shown.

A physician describes what causes acne to develop and how it can lead to facial scars. She also describes several acne scarring treatments including collagen injections, dermal fat injections, dermabrasion, and laser skin treatments. The doctor also describes the role of skin transplant surgery and skin grafts in acne scar repair.

A physician shows the "up close" results of hair transplant surgery using the scalp of a patient. The hair replacement approach used mimics the natural direction of the hairs and shows the typical spacing of hair follicular units transplanted in the procedure.

This narrated 2D animation shows how the heart muscles contract and the chambers of the heart push blood through the circulatory system.