Small plastic pieces called microplastics are invading our brains, according to scientific evidence that is leading researchers to call for more urgent actions to rein in pollution. Microplastics are tiny and can be harmful to the environment and human health. Most of us are aware that plastic pollution is a problem for the environment, but did you know it could lead to microplastics infiltrating brain tissue and other organs? Research shows microplastics are invading our brainsMicroplastics are fragments of any type of plastic less than 5 mm in length, according to the U.S. National Oceanic a…