Allergies

Allergies Articles

Adult food allergies

Sometimes adults suddenly develop allergies to foods they have eaten since they were children. Experts have two explanations for food allergies that crop up in adulthood. They may be the result of a delayed or extended period of sensitization to an allergen or a cross-reaction to some other allergen, such as pollen. The body's immune system mistakes a protein for the pollen and initiates a reaction. (Locked) More »

Food allergies and food intolerances

Food allergies typically begin in infancy, and can be life-threatening if not outgrown. They are more common in people who have other allergies, eczema, hay fever, or asthma. More than 170 foods have been associated with allergic reactions, but 90% of all cases involve milk, eggs, peanuts, tree nuts, fish, shellfish, wheat, or soy. typically begin in infancy, and can be life-threatening if not outgrown. Food intolerance can cause discomfort but is generally less serious. It usually results from the inability to digest or metabolize a food completely. The symptoms — gas, bloating, nausea, and diarrhea — overlap those of irritable bowel syndrome (IBS), and food intolerance can trigger episodes of IBS. Both are on the rise but it's important to know the difference. (Locked) More »

Getting out the gluten

Doctors are diagnosing more cases of celiac disease, leading to an increased interest in gluten-free foods, although not everyone who has difficulty digesting gluten has celiac disease. More »

Allergic rhinitis: Your nose knows

Allergic rhinitis, commonly called hay fever, can be a minor seasonal nuisance or a troubling year-round problem. Most people can find relief by taking an antihistamine and by avoiding the allergens that trigger the irritation. (Locked) More »