Food intolerance happens when the body has difficulty digesting certain foods. It is not the same as a food allergy because it does not involve the immune system.

Common symptoms include:
Symptoms usually appear a few hours after eating, but can sometimes take longer.
Food intolerances are not life-threatening and do not cause anaphylaxis, but they can still make someone feel unwell.
The best way to manage a food intolerance is to identify and avoid trigger foods, often by keeping a food diary.
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