atopy

atopia puhekieltä A hereditary disorder marked by the tendency to develop localized immediate hypersensitivity reactions to allergens such as pollen, food etc and is manifested by hay fever, asthma, or similar allergic conditions; generally considered to be caused by the interaction of environmental and genetic factors.
1999, (w), Genome, Harper Perennial 2004, p. 67:

Whatever factor is invoked to explain the increase in asthma must also be capable of explaining other outbreaks of atopy.