What is the cause of food allergies?

Food allergies occur when the body's immune system overreacts to substances in food you have eaten, triggering an allergic reaction. Food allergies are more common in young children than in adults. Milk, eggs, peanuts, tree nuts, fish, shellfish, wheat, and soy cause most problems in children. read more

What really causes allergic reactions is your immune system. It mistakes innocent things in your surroundings for a serious threat and attacks them. The symptoms you get are the result. read more

A food allergy will usually cause some sort of reaction every time the trigger food is eaten. Symptoms can vary from person to person, and you may not always experience the same symptoms during every reaction. Allergic reactions to food can affect the skin, respiratory tract, gastrointestinal tract and cardiovascular system. read more

So, genetics may be only a predisposition and certainly not the entire explanation of a cause of food allergy. You’d be surprised the information that you will receive if you question grandparents and your in-laws. I never knew that food allergies ran in my husband’s family until I questioned my mother-in-law. read more