10. Fruit
As many parents find out the hard way, fruit can be a big cause of allergies. There are many fruits on the list, and they’re there because of a protein called profilin, which is found in trees, grass, and pollen, but also in fruits and vegetables. Since a considerable portion of all allergies is caused by some type of pollen, it’s not a surprise they’re on the list. Melons, watermelons, citrus, tomatoes, bananas, apples, pears, cherries, peaches, and plums are just some of the most common fruits known to cause allergies in children.
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