By Judy Davie
**”What’s the difference between an allergy and an intolerance?”
— Justine**
An allergy is an immune response causing a serious, sometimes fatal, reaction, usually involving inflammation and the restriction of airways. Typical food allergens include gluten, nuts, dairy and shellfish.
An intolerance is when a substance may cause an adverse reaction, such as nausea, skin irritation or just abnormal fatigue; it is not fatal. With an intolerance it’s often still possible to consume small amounts of the food.
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