Nonlinear association between body roundness index and asthma in U.S. children and adolescents: a cross-sectional study (NHANES 1999-2023).
OBJECTIVES Body Roundness Index (BRI) is a new measure of central fat distribution linked to asthma risks, but its connection to asthma in children is unclear. This study investigates the relationship between BRI and asthma in U.S. children and adolescents. METHODS We conducted a cross-sectional study of 32 738 parti...