The Institute for Risk Assessment Sciences (IRAS) is an interfaculty research institute (collaboration of the faculties of Veterinary Medicine, Medicine and Science) at Utrecht University. The institute is also supported by the National Institute for Public Health and the Environment (RIVM) and TNO Research and advice.

The IRAS’ mission is to provide education and conduct research in the field of health risks posed to humans by exposure to pathogens and possible hazardous substances in the environment, at work or in the food chain. The institute also studies the effects on ecosystems.

  • Latest news

    • How bad are microplastics for our health?
      More research is needed into the health risks associated with microplastics, Dutch toxicologists argue in the renowned scientific journal Science.
    • UU launches exposome MOOC
      Bite of Science
      Sign up for the new MOOC of Utrecht University and find out why the exposome is the biggest influencer on health. Several researchers will introduce you to the exposome concept and explain what is needed to advance this nascent and transformative field of research.
    • What do microplastics do in our body?
      On Monday 11 January 2021, the knowledge agenda Microplastics and Health was presented to the State Secretary for Infrastructure and Water Management, Stientje van Veldhoven. This knowledge agenda describes the most important knowledge gaps and calls for more research.