During July 2026, dense wildfire smoke from Canada pushed PM2.5 concentrations into the hazardous level across parts of the Upper Midwest
Chinese researchers reported in the New England Journal of Medicine that 58.1% of patients across 30 provinces were male
In some cases, they formed tiny round structures about 6 micrometers widefar smaller than the original fibers
News provided by Centers for Disease Control and Prevention Jun 09, 2016, 01:00 ET ATLANTA, June 9, 2016 /PRNewswire-USNewswire/ -- Cigarette smoking among high school students dropped to the lowest levels since the National Youth Risk Behavior Survey (YRBS) began in 1991, but the use of electronic vapor products, including e-cigarettes, among students poses new challenges according to the 2015 survey results released today by the Centers for Disease Control and Prevention
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