- Dr Laurence Knott
Of all the invisible medical conditions you can be affected by, allergies such as hay fever or a food intolerance can be the hardest to live with. It's all linked to your immune system, and we've got lots of expert insight to help you understand how the body's natural defence mechanism works.
Allergies and intolerances are on the rise, particularly towards foodstuffs. Over four in ten adults in the UK are affected. But if you suspect you have an allergy or intolerance, how can you go about finding out what the culprit is?