By Ben Barry A woman who is “allergic to everything” can only eat oatmeal – and says most foods could prove deadly. In September 2017, 24-year-old Caroline Cray spent 12 hours in hospital after she ate an ice-cream and went into anaphylactic shock. She had three more severe allergic reactions that month to bread and pizza. After eating rice and beans with her family, Caroline reacted again and spent 12 days in intensive care. After 10 months of tests, she was diagnosed with rare chronic illness mast cell activation syndrome (MCAS) – which causes repeated severe allergy symptoms – in May 2018. …