From cons to cures, scams to scares and fakes from facts. Dr Xand van Tulleken and journalist Ashley John-Baptiste scour the country to expose medical crime and quackery, explode false news, explain topical health and showcase extraordinary stories. Ashley investigates the dangerous world of back-street cosmetic surgery, with one banned practitioner carrying out liquid Brazilian butt lifts in hotel rooms. Also, the robot transforming school life for a London pupil with a rare cancer, helping him stay connected after months of treatment. And what do we really need from toothpaste? With countless options, Dr Xand reveals if whitening is worth it, whether expensive brands are better and if toothpaste is even necessary.