We conduct research studies involving human volunteers that are aimed at examining the effect of challenge and exposure to a number of environmental agents, including ozone, endotoxin, diesel exhaust and other particulates. Our research is aimed at understanding the health effects of air pollution on the lung and heart.


Welcome to UNC Center for Environmental Medicine, Asthma, and Lung Biology

  • David B. Penden, MD, MS

    Director’s Statement

    The primary mission of the UNC Center for Environmental Medicine, Asthma and Lung Biology (CEMALB) is to improve understanding of the impact of environmental factors on human health, with the goal of generating knowledge to inform public policy decisions regarding pollution control and develop personal mitigation strategies for susceptible populations. Read More…

In the News

Research Led by Richard Boucher, MD (PI) and Ilona Jaspers, PhD (co-PI) receive $9.96 million U.S. DoD grant

CHAPEL HILL, NC – Soldiers in the field can be exposed to toxic fumes from waste disposal burn pits, causing potentially severe and debilitating bronchitic and asthmatic pulmonary responses. The U.S. Department of Defense (DoD) selected UNC School of Medicine researchers to study this military health problem because of UNC’s unique combination of skills and … Continued

Michelle Hernandez, MD Study Shows Surprise Low-level Ozone Impact on Asthma Patients

Michelle Hernandez, MD, associate medical director of the N.C. Children’s Allergy & Asthma Center, led a study that followed 23 asthma patients in North Carolina to show that even with optimized treatment for persistent asthma, patients experienced respiratory and systemic effects from exposure to low levels of ozone. A new study led by UNC School … Continued

Dr. William A. Fischer II Featured in NY Times Article

 A New York Times article reports that more than half of the patients who received experimental treatments for Ebola have survived in the Democratic Republic of the Congo.

Sex Specific Respiratory Effects of Wood Smoke

Impacts of environmental toxins may be missed when researchers fail to compare effects on men and women, according to a study by UNC-Chapel Hill scientists. UNC School of Medicine’s Ilona Jaspers, PhD, led the research.