By Craig Duggan
BBC Wales news
By Paul Rincon
Science editor, BBC News website
The Royal College of General Practitioners is warning people not to mix up the symptoms.
By Elinor Rice
The mother of a seven-year-old with a nut and egg allergy says no one understands the seriousness.
Once the UK leaves the EU, new drugs will have to be tested here and in Europe.
How to live with life-threatening food allergies.
By Chris Quevatre