Nut allergies are among the most common food allergies, and they include reactions to almonds, walnuts, and pecans. An allergy to peanuts, however, is not technically a nut allergy.
Many of the 1.2% of people in the United States who are allergic to peanuts may mistakenly believe that they have a nut allergy, but peanuts are not actually nuts — they are legumes, similar to black beans and lentils.
However, according to the American College of Allergy, Asthma & Immunology, 25–40% of people with peanut allergies are also allergic to at least one tree nut.
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