Though plastic is usually inert, tiny pieces of it have the potential to react with one of the most pervasive molecules in the environment and in our bodies. https://www.wired.com/story/microplastics-react-with-water-new-study-says-thats-a-problem-for-biology/?utm_brand=wired-science&utm_campaign=aud-dev&utm_medium=social&utm_social-type=owned&utm_source=twitter-science