Lower prevalence and greater severity of asthma in hot and dry climate

To estimate asthma prevalence, severity, and associated factors in adolescents who live in a low relative humidity environment.In this cross-sectional study, adolescents aged 13-14 years from the city of Petrolina located in the Brazilian semiarid region answered the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire. The possible explanatory variables of the study were gender, family income, mother's education,...