When you have wheat allergy, your immune system sees it as a dangerous foreign substance and takes action, fighting back with antibodies known as Immunoglobulin E, or IgE.
An OAS reaction usually comes on swiftly and can recede just as quickly. You’re sitting there eating and all of a sudden, your lips (or tongue and palate) begin to swell. There might tingle or itch at the back of your throat, or you might start to sneeze, have the urge to blow your nose […]
If you have oral allergy syndrome, chances are that you also have seasonal allergies to pollen from trees such as birch and alder, or you’re allergic to ragweed or grass pollens. Roughly one-third of North Americans with pollen-related allergies are thought to be affected. It’s not clear why the other two-thirds of hay fever sufferers […]
Mother always told you to eat your fruits and vegetables. Sometimes, mother was wrong. A less severe form of food allergy, called oral allergy syndrome, is a reaction to proteins in common raw fruits, vegetables, nuts and seeds. It’s called “oral allergy” syndrome or OAS because its symptoms are usually limited to the lips, mouth, […]
Consider the Canadian Food Inspection Agency’s list of the top 10 food groups that cause the most frequent and severe allergic reactions. Nine of the names will be familiar to most Canadians — peanuts, tree nuts, milk, eggs, fish and shellfish, soy, wheat and sesame seeds. But the tenth name on the list may surprise: […]
Even when she’s not in front of a microphone, Shelagh Rogers is exactly the woman you hear hosting on CBC Radio One program: smart, witty, kind-hearted, and deeply passionate about Canadians. But with her work comes a lot of travel and socializing. And as she tells journalist Jennifer Van Evra, that’s tricky for Rogers, as […]
These chemical additives cause reactions that mimic allergy. But the reason why remains a mystery. Consider the Canadian Food Inspection Agency’s list of the top 10 food groups that cause the most frequent and severe allergic reactions. Nine of the names will be familiar to most Canadians: peanuts, tree nuts, milk, eggs, fish and shellfish, […]
It started out as a medical mystery that had meat lovers scratching their bodies and allergists scratching their heads. Emergency physicians and allergists in the southeastern United States began seeing hunters and outdoor enthusiasts with no previous allergy history who were going into anaphylactic shock after eating red meat. But unlike most severe allergic reactions, […]