weigh in. Be weighed; also, be of a particular weight. For example, Because it was such a small plane, the passengers and their luggage had to weigh in before takeoff , or The fish weighed in at 18 pounds. [Late 1800s] See also: weigh.
Asthma and allergic diseases, such as allergic rhinitis (hay fever), food allergy, and atopic dermatitis (eczema), are common for all age groups in the United States.
Other types of dermatitis can be caused by allergic. reactions to foods such as wheat, soy, and dairy products. Urticaria (hives) are another. form of allergy caused by contact with the allergen. Systemic anaphylaxis, or allergic shock, is a wholeâbody allergic reaction that can. be lifeâthreatening.