Heart Attack Treatment (IMAGE) Intermountain Healthcare Caption Short-term increases in air pollution can cause problems for a lot of people, but especially to those with diagnosed or undiagnosed heart disease. But it’s not just a potential issue for pollution coming from cars and industrial processes. Now, new research from Intermountain Health in Salt Lake City shows that pollutants trapped in lower, colder layers of air in mountain-region communities present sometimes higher risk for this population, while wildfire smoke from often distant locales may also impact risk. Credit Intermountain Health Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.