Asthma Mr. Corbyn To ask the Secretary of State for Health what is the reported level of asthma sufferers, by age range of 0-11, 11-21, 21-45 and over 45 years for each London health district from 1980 to the present. Mr. Dorrell Information in the form requested is not held centrally. The vast majority of asthma sufferers do not attend hospital as in-patients.