New research shows there is 10 to 100 times more tiny plastic particles in single-use bottled water than previously thought . In addition, recent evidence has demonstrated the presence of microplastics in human lung, blood, and placenta tissues, as well as in human breastmilk . The institute expressed special interest in grant applications that investigate exposure to, and health effects of micro and/or nanoplastics Notice of Special Interest (NOT-ES-23-002). Applications should include a team of investigators with multidisciplinary expertise.