Study: Kids’ asthma rates quiet down after earlier increase

CHICAGO (AP) — Asthma rates in U.S. children have quieted down after a decades-long increase, a government study found, and researchers are trying to pinpoint reasons that would explain the trend.
A possible plateau in childhood obesity rates and declines in air pollution are among factors that may have helped lower cases in kids, the 2001-13 study suggests. Overall, average asthma rates among kids aged 17 and younger increased slightly, then leveled off and declined by the study’s e