Sampler (IMAGE) Helmholtz Association Caption With the help of passive samplers it is examined in the LiNA-cohort study that environmental contaminants such as volatile organic compounds (VOCs) have an impact on human health. Credit Photo: Dr. Kristin Weiße/UFZ CC BY 3.0 (<a target="_blank" href="http://creativecommons.org/licenses/by/3.0/">http://creativecommons.org/licenses/by/3.0/</a>) 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.