PIAA Class 3A Boys 1,600 – 1. Carter Smith, Mifflin County, 4:01.54; 2. Vinay Raman, Hershey 4:05.30; 3. Jack Bertram, North Allegheny, 4:07.81; 4. Cole Stevens, Manheim Township, 4:09.80; 5. Joseph ...

Background: The prevalence of childhood asthma in the USA increased by 50% from 1980 to 2000, with especially high prevalence in poor ... Conclusions: Street trees were associated with a lower ...