The Tokelau Island Migrant Study: Asthma

Asthma may be another "disease of civilization", uncommon in non-industrial cultures. Between 1980 and 2001, its prevalence more than doubled in American children 17 years and younger. The trend is showing no sign of slowing down (CDC NHANES surveys).The age-standardized asthma prevalence in Tokelauan migrants to New Zealand age 15 and older, was 2 - 6 times higher than in non-migrants from 1976...