BBC Click's Lara Lewington uses a smartphone app in a supermarket
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Apps which could help with allergies

From a prototype device which can detect gluten in food to allergy apps, BBC Click's Lara Lewington reports

From an app which helps those with food allergies and intolerances to find food they can eat safely to a prototype device which can detect the presence of gluten in food, BBC Click's Lara Lewington looks at some of the latest allergy technology.

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