Fascinating Facts About 5 Common Household Allergens


5
Food allergies
Mlik allergies are common in children.
Mlik allergies are common in children.
iStockphoto/Thinkstock

An allergy to milk is the most common childhood food allergy, but most children outgrow milk allergies by age 3. Most children outgrow allergies to eggs, the second most common food allergy, by adolescence.

People who become sensitized to one allergen may also be allergic to others – a phenomenon known as cross-reactivity. For example, if you are allergic to ragweed, you may also become allergic to bananas or melons.

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