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This animation shows an artist's rendition of the immune system function in the gastrointestinal during Crohn's disease. It also shows a possible future treatment for the disease.

A large portion of the stomach is removed during a sleeve gastrectomy. This video provides a 3D animation of how the procedure is performed and what the gastrointestinal system looks like afterwards.

The video is an animation of the LapBand adjustable gastric banding system. There is an explanation of how the LapBand's adjustable cuff works to meet the changing needs of the patient.

This narrated animation explains how normal cells sometimes change and turn into cancer cells. It touches on some of the causes and the prevalence of cancer and cancer deaths in the population.