Food Allergies

Food allergies can trigger serious reactions in the body. Learn about the different types of food allergies and how to manage them.

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A new study showed that about 10 percent of Americans who thought they had food allergies actually had food intolerance issues. So what's the difference?

By Dave Roos

Nearly half of all U.S. adults who have food allergies developed at least one of them during adulthood.

By Jesslyn Shields

It's called oral allergy syndrome, and it's caused when the immune system freaks out and overreacts to allergens.

By Shelley Danzy

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Is the American wheat industry to blame for the gluten-free craze? Don't believe the hype, gluten might not be the problem you think it is.

By Bambi Turner

Some people in the anti-wheat movement say that the grain has compounds in it that make it addictive. But is this true?

By Alison Cooper

While it's not very common, allergies to chicken do exist. Learn about chicken allergy symptoms in this article.

By HowStuffWorks.com Contributors

Coconut oil allergies aren't necessarily related to tree nut allergies. Learn about coconut oil allergy symptoms in this article.

By HowStuffWorks.com Contributors

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MSG is an artificial flavor enhancer found in many foods. Learn about MSG allergy symptoms in this article.

By HowStuffWorks.com Contributors

Food allergies can affect your behavior, causing hyperactivity, depression, anxiety and more. Learn whether food allergies can affect your behavior in this article.

By HowStuffWorks.com Contributors

A gluten allergy can have an early onset in childhood or a late onset in adulthood. Find out more about developing gluten allergies later in life from this article.

By HowStuffWorks.com Contributors

Fish allergies are a reaction to the proteins found in certain fish. Learn whether you can take fish oil supplements if you have a fish allergy in this article.

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Some alcohol allergy symptoms include stomach cramps, difficulty breathing and skin rashes. Learn what some alcohol allergy symptoms are in this article.

By HowStuffWorks.com Contributors

Some blueberry allergy symptoms are reactions of the skin, and respiratory or gastrointestinal systems. Learn about blueberry allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some symptoms of a gluten allergy include gastrointestinal, neurological and behavioral symptoms. Learn about symptoms of a gluten allergy in this article.

By HowStuffWorks.com Contributors

Sometimes, people mistake lactose intolerance for a cheese allergy. Learn about cheese allergy symptoms in this article.

By HowStuffWorks.com Contributors

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Some chocolate allergy symptoms are headaches, skin reactions and gastrointestinal symptoms. Learn about chocolate allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some citrus allergy symptoms are skin reactions, gastrointestinal reactions and breathing problems. Learn about citrus allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some garlic allergy symptoms are skin reactions, gastrointestinal reactions and breathing problems. Learn about garlic allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some grapefruit allergy symptoms are skin reactions, gastrointestinal reactions and breathing problems. Learn about grapefruit allergy symptoms in this article.

By HowStuffWorks.com Contributors

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Some green pepper allergy symptoms are rhinoconjunctivitis, asthma and headaches. Learn about green pepper allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some mountain cedar allergy symptoms include itchy, watery eyes, runny nose, congestion and sneezing. Learn what some mountain cedar allergy symptoms are in this article.

By HowStuffWorks.com Contributors

Some walnut allergy symptoms are skin reactions, gastrointestinal reactions and breathing problems. Learn about walnut allergy symptoms in this article.

By HowStuffWorks.com Contributors

Some yogurt allergy symptoms are skin reactions, gastrointestinal reactions and breathing problems. Learn about yogurt allergy symptoms in this article.

By HowStuffWorks.com Contributors

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Anaphylaxis is a life-threatening condition that requires immediate medical care. Learn whether food allergies can cause anaphylaxis in this article.

By HowStuffWorks.com Contributors

Milk allergies are often the first to develop in babies. Learn whether there's a connection between dairy allergies and skin allergies in this article.

By HowStuffWorks.com Contributors