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. April 30, 2021 Study Finds Link Between Tear Gas Exposure and Abnormal Menstrual Cycles ------------------------------------------------------------------------ Medical researchers have found a link between police tear gas and abnormal menstrual cycles. Some 900 people exposed to tear gas during protests last year in Portland, Oregon, reported being affected, with symptoms including increased cramping, unusual spotting or increased bleeding. Federal and city officers deployed tear gas on an almost nightly basis in Portland last summer during the nationwide uprising for Black lives. Tear gas has been previously linked to miscarriages. .