TY - JOUR T1 - Secondhand smoke exposure reduced, but more work remains JF - The Nation's Health JO - Nations Health SP - 6 LP - 6 VL - 45 IS - 3 AU - Kim Krisberg Y1 - 2015/04/01 UR - http://www.thenationshealth.org/content/45/3/6.2.abstract N2 - In a victory for public health’s long battle against the dangers of smoking, new data finds that secondhand smoke exposure among nonsmokers has dropped by more than half. ER -