Science, Space and Technology News 2024
Researchers at the University of New Mexico have discovered microplastics in all tested human placenta samples, revealing a concerning presence of these particles in the human body.
“If we’re seeing effects on placentas, then all mammalian life on this planet could be impacted. That’s not good.”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 planet could be impacted. That’s not good.”
“The gas emission goes into a mass spectrometer and gives you a specific fingerprint,” Campen said. “It’s really cool.”The researchers found the most prevalent polymer in placental tissue was polyethylene, which is used to make plastic bags and bottles. It accounted for 54% of the total plastics. Polyvinyl chloride and nylon each represented about 10% of the total, with the remainder consisting of nine other polymers.
“That ends up in groundwater, and sometimes it aerosolizes and ends up in our environment,” Garcia said. “We’re not only getting it from ingestion but also through inhalation as well. It not only affects us as humans, but all off our animals – chickens, livestock – and all of our plants. We’re seeing it in everything.”
The concentration of microplastics in placentas is particularly troubling, he said, because the tissue has only been growing for eight months . “Other organs of your body are accumulating over much longer periods of time.”
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