Avoiding the killer that's everywhere

Imagine a life where the weekly grocery shop could be a death trap. For those allergic to corn, even putting petrol in the car or going for a run could kill. Christine Robinson from Pennsylvania takes us shopping and shows how she negotiates aisles full of fruit, vegetables, meat, eggs and water - all of which are out-of-bounds for her - and what her alternatives are.

(Image: An ear of corn with a biohazard label on it. Credit: Ann Cutting/ Getty Images)