The amount of plastic in the human brain is estimated to be the equivalent of a standard plastic spoon, researchers at the University of New Mexico found. While research into the possible effects of microplastics and nanoplastics is still in its infancy, Dr. Celine Gounder tells CBS Mornings, plastic particles that get into groundwater, plants and animals can be found in virtually every part of the human body. https://cbsn.ws/4i557ul | CBS Mornings