The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. August 28, 2018 Study Links Air Pollution to Reduction in Intelligence ------------------------------------------------------ In environmental news, a new scientific study has found air pollution can lead to a huge reduction in cognitive intelligence. One of the study's authors, Xi Chen at Yale School of Public Health, said, "Polluted air can cause everyone to reduce their level of education by one year, which is huge." The study, which was based in China, also suggests pollution can lead to increases in Alzheimer's and other forms of dementia. .