Microplastics detected in all human placenta samples
Feb 21 2024
University of New Mexico Health Sciences Center
A flurry of recent studies has found that microplastics are present in virtually everything we consume, from bottled water to meat and plant-based food. Now, University of New Mexico Health Sciences researchers have used a new analytical tool to measure the microplastics present in human placentas
In a study published February 17 in the journal Toxicological Sciences, a team led by Matthew Campen, PhD, Regents' Professor in the UNM Department of Pharmaceutical Sciences, reported finding microplastics in all 62 of the placenta samples tested, with concentrations ranging from 6.5 to 790 micrograms per gram of tissue.Although those numbers may seem small (a microgram is a millionth of a gram), Campen is worried about the health effects of a steadily rising volume of microplastics in the environment.
For toxicologists, "dose makes the poison," he said. "If the dose keeps going up, we start to worry. If we're seeing effects on placentas, then all mammalian life on this plant could be impacted. That's not good."
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