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| Changcheng Zhou Professor, Biomedical Sciences Photo Credit: Courtesy of University of California, Riverside |
A mouse study led by University of California, Riverside biomedical scientists suggests that everyday exposure to microplastics — tiny fragments shed from packaging, clothing, and countless plastic products — may accelerate the development of atherosclerosis, the artery-clogging process that leads to heart attacks and strokes. The harmful effects were seen only in male mice, offering new clues about how microplastics may affect cardiovascular health in humans.
“Our findings fit into a broader pattern seen in cardiovascular research, where males and females often respond differently,” said lead researcher Changcheng Zhou, a professor of biomedical sciences in the UCR School of Medicine. “Although the precise mechanism isn’t yet known, factors like sex chromosomes and hormones, particularly the protective effects of estrogen, may play a role.”
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