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.
Horse Allergy. Just like humans, horses can have a number of different types of allergies. The most common types of horse allergies are respiratory and skin. Rerpiratory allergies are also known as 'heaves' and are often similar to asthma in people.