NAU Assistant Professor JJ Duke (IMAGE) Northern Arizona University Caption NAU Assistant Professor JJ Duke recently received a three-year R15 grant of more than $432,000 from the National Institutes of Health to study the underlying causes of the reduction in lung function, as well as exercise ability, in adult survivors of preterm birth. Credit Northern Arizona University Usage Restrictions None License Licensed 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.