Reducing the rising rates of asthma.
D000293:Adolescent; D001249:Asthma / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D002648:Child; D006291:Health Policy; D006801:Humans; D015995:Prevalence; D012307:Risk Factors; D014481:United States / Q000453:epidemiology