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An allergy occurs when your immune system overreacts to a normally harmless substance called an allergen. These allergens can be airborne (like pollen), ingested (like peanuts), or come into contact with your skin (like latex).
The wide range of allergens triggers various types of allergies. Here are some common ones:
The process is called the sensitization process and it consists of the following steps:
Imagine someone with a peanut allergy. When they eat peanuts, their immune system overreacts, causing the release of histamine. This can lead to symptoms like hives, nausea, and difficulty breathing.
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