Alongside Cancer Research U.K., MediaCom and 4 Sales, British TV network Channel 4 broadcast the first live commercial from inside a human body.
Over the course of 90 seconds, you can witness a colonoscopy in progress. That white thing is a polyp in a bowel. Not all polyps are cancerous, but some can turn Exorcist on you. By removing them, you can help prevent bowel cancer.
See how easy they are to remove? It doesn't even hurt.