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.
This particular illness is a type of asthmatic condition where the bronchi and the lower airway of the respiratory system is inflamed by irritants and allergens. In allergic bronchitis, asthma and respiratory allergies are present. This can cause a condition called hay fever or allergic rhinitis. Allergic bronchitis is also commonly called as allergic asthma. This particular condition is triggered by an overly active immune system that attacks harmless foreign substances that enters the body. The immune system identifies the foreign substance as dangerous and releases antibodies to fight the substance.