Studies find microplastics in human lungs, blood stream; scientists investigating possible health risks

Scientists from the Netherlands and the U.K. recently identified microplastics deep in the lungs of some surgical patients and in the blood of anonymous donors. Researchers say that it's possible to take in these particles through the air we breathe. Leigh Shemitz, president of SoundWaters, and Paul Anastas, director of the Center for Green Chemistry at Yale University, join CBS News' Lana Zak to discuss microplastics' impact on humans and what can be done to mitigate plastic pollution.