05/30/2026
Most people know someone with a food allergy. According to Food Allergy Research and Education (FARE), about 33 million people in the U.S. have food allergies, including 1 in 10 adults and 1 in 13 children. The prevalence is rising. While most food allergies develop in childhood, they can occur at any age, and adults can even develop new allergies later in life. Almost half of adults with food allergies report developing at least one during adulthood. Older adults should be aware of food allergies because symptoms can be worsened by a weakened immune system or masked by other health issues, and the consequences can range from uncomfortable to life-threatening.
A food allergy occurs when a person’s immune system overreacts to something in a food, usually a protein the body thinks is a threat. Symptoms can range from mild to life-threatening and affect different body parts. They can include an itchy or runny nose, sneezing, an itchy mouth, swelling of the tongue or lips, hives, itchy skin, nausea, vomiting, diarrhea, shortness of breath, wheezing, tightening of the throat, trouble breathing or swallowing, a drop in blood pressure, weak pulse, and feeling dizzy or faint. Symptoms can be unpredictable, with different symptoms or levels of severity from one reaction to the next.
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Print this articleMost people know someone with a food allergy. According to Food Allergy Research and Education (FARE), about 33 million people in the U.S. have food allergies, including 1 in 10 adults and 1 in 13 children. The prevalence is rising. While most food allergies develop in child...