IRAS, the Institute for Risk Assessment Sciences, is an interfacultary research institute within the faculties of Veterinary Medicine, Medicine and Sciences of Utrecht University. 

IRAS provides education and research on the human health risks of exposure to potentially harmful agents in the environment, at the workplace and through the food chain. Effects on ecosystems are also considered. 

  • 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.
    • Predicting and preventing Covid-19: 1 million for corona research
      How is it that some covid-19 patients are affected much worse than others? Can we predict beforehand which of them will develop critical symptoms. A diverse consortium of universities, academic hospitals and industrial partners is looking for the answers to these questions.
    • Research into microplastics and nanoplastics and chemical substances
      Utrecht researchers are involved in four major European Horizon 2020 projects that are all connected with research into substances that are harmful to our health. A brief impression of the projects is provided below.