Wildfire smoke has long been known to exacerbate health problems like heart disease, lung conditions, and asthma, but now a new study finds that smoke from these fires can lead to poor health thousands of miles away. Researchers found that medical visits for heart and lung problems rose by nearly 20 percent during six days in June, 2023, when smoke from Western Canadian wildfires drifted across the country, leading to very poor air quality days in Baltimore and the surrounding region.
