Dust Ken Norberg April 7, 2020 32 Views Microplastics in fiber and other forms are prevalent in the air and in water. More research is needed to determine the potential health impacts of ingested microplastics from water-based sources, as well as inhalation. Photo: iStock/Gabriele Golisano Microplastics in fiber and other forms are prevalent in the air and in water. More research is needed to determine the potential health impacts of ingested microplastics from water-based sources, as well as inhalation.