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.

The narrator of this 2D animation describes how sebum is blocked in sebaceous glands associated with hairs and how this leads to whiteheads and blackheads. The common locations for acne are discussed as well as a overview of acne treatment options.

We look at our skin everyday, but what does the skin look like up close and just under the surface. This animation shows what the skin would look like under magnification. The narrator explains the various things found within the skin such as hair follicles and sensory nerve endings.