"Air pollution, of which whose small particulate matter are the most toxic, contributes to about one-third of the global burden of stroke." https://www.science

"Air pollution, of which whose small particulate matter are the most toxic, contributes to about one-third of the global burden of stroke." https://www.sciencedirect.com/science/article/pii/S0035378718309767 https://www.sciencedirect.com/science/article/pii/S003537871... "In 2004, the American Heart Association issued a scientific statement concluding that exposure to air pollution contributes to cardiovascular illness and mortality. A 2010 update elaborated on those risks. Short-term exposure can increase the risk of heart attack, stroke, arrhythmias and heart failure in susceptible people, such as the elderly or those with pre-existing medical conditions, according to the statement." https://www.heart.org/en/health-topics/consumer-healthcare/what-is-cardiovascular-disease/air-pollution-and-heart-disease-stroke https://www.heart.org/en/health-topics/consumer-healthcare/w...