Allergy

In this week's Body Story we discover how our bodies turn against us to give us allergies - and even threaten our lives. A simple wasp sting triggers cells throughout Phoebe's skin to make her fatally allergic to wasps. When she's stung again, on a Florida beach holiday, Phoebe's body mounts one of its most primitive and powerful chemical defences, one that could kill her in minutes. As she goes into anaphylactic shock, she starts to swell up, her airways shut down and her heart...