Breathe Pennsylvania en Pittsburgh Physicians Conduct Asthma Research <p>Twenty-five million people in the United States have asthma, and that number is growing every year.</p><p>Research by the Allegheny Health Network is now underway that examines whether high levels of particulate air pollution in the Pittsburgh area are connected to an increased number of asthma attacks known as exacerbations.</p><p>Pittsburgh has taken great steps to move away from being one of the most polluted cities in the nation, but tiny fragments of pollution generated from the burning of fossil fuels called particulates still pose health problems for those with asthma.</p> Mon, 29 Jul 2013 07:30:00 +0000 Michael Lynch 13738 at