BPA Damages Sperm
The chemical toxin BPA (Bisphenol A), which is found in plastic food and drink containers, is back in the news. This time BPA is linked to lowering sperm count and quality.
Research from a team led by John Meeker, assistant professor of Environmental Health Sciences at the University of Michigan School of Public Health was recently published in the journal Reproductive Toxicology. “We found that if we compare somebody in the top quartile of exposure with the lowest quartile of exposure, sperm concentration was on average about 23 percent lower in men with the highest BPA,” Meeker explained. “Much of the focus for BPA is on the exposures in utero or in early life, which is of course extremely important, but this suggests exposure may also be a concern for adults,” Meeker continued. “Research should focus on impacts of exposure throughout multiple life stages.” The scientists cautioned the public not to assume that the book is now closed on BPA’s role in human health. “The study from which these data came is currently in progress,” said the study’s co-author Russ Hauser, the Frederick Lee Hisaw Professor of Reproductive Physiology at Harvard School of Public Health. “With a larger sample size and enhanced study design, we will be able to more definitively investigate this preliminary association in the near future.”
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