Novel study links prenatal UFP exposure, childhood asthma

A recent study by researchers at leading U.S. universities, medical schools and the federal government shows for the first time that prenatal exposure to elevated levels of ultrafine particles (UFP) is associated with an increase in childhood asthma incidence, expanding the body of evidence that might eventually spur EPA to regulate UFP. In their study , “Prenatal Ambient Ultrafine Particle Exposure and Childhood Asthma in the Northeastern United States,” published May 20 in the American Journal of Respiratory and Critical...