[Frequency of chronic rhinitis in a population of young adults. Influence of pollen allergy and tobacco addiction (author's transl)].

A survey of 27 604 sujets aged mostly between 17 and 19 revealed that 33.5% of them had a regular nasal obstruction and that 13.6% repeated sneezing fits. Prevalence of nasal manifestations related to an allergy to graminaceae pollen was estimated at 5%. Besides there was a close relationship between the chronic nasal symptomatology and the smoking habits of the subjects concerned.