In an X-Ray health special, Lucy tries out a mobile app designed to save lives and sees first-hand how the next generation of nurses train for emergencies. Rachel investigates the world of online allergy testing and asks whether the tests work or if they are just a waste of money. And Omar finds out about the latest ideas for improving hospital food.

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Lucy Owen and the team are back on the consumer case, fighting for your rights. Rachel Treadaway-Williams investigates the plumbing firm with a series of different names – and a string of unhappy customers. Plus Omar Hamdi finds out about the fatbergs blocking Welsh sewers. He’s with the experts learning the dos and don’ts of what can safely go down our drains and putting so-called ‘flushable wipes’ to the test.