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Air Pollution May Explain Regional Gaps in Sperm Quality,
Researchers found 94.35 million average motile sperm count in northern Spain versus 50.11 million in central Spain, pointing to pollution exposure.
- Researchers analyzed 386 men across Spain, finding that geographical location—not lifestyle—likely drives regional variations in sperm quality, according to findings published in Human Reproduction.
- Despite similar lifestyle habits across all regions, the northern region consistently showed the strongest semen quality parameters, while central and southern Spain recorded significantly lower performance.
- Reduced sperm motility affected 23.9% of men in the north, compared with 55.4% in southern Spain and 53.4% in central Spain, revealing stark regional disparities.
- Professor Karen Sermon, ESHRE immediate past chair, stated environmental factors beyond individual control must be tackled at societal and political levels, emphasizing regulator responsibility.
- Calonge, scientific advisor at the International Reproduction Unit in Alicante, urged stronger public health policies against pollutants and called for larger studies to clarify environmental exposure links.
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A large-scale survey conducted in Utah, USA, revealed an association between air pollution and the alteration of sperm development genes. Men exposed to mixtures of common air pollutants during spermatogenesis showed changes in DNA methylation of their sperm. These results add to the evidence [...] This article Air Pollution: An extensive study reveals DNA alterations of spermatozoa appeared first on Trust My Science.
Coverage Details
Total News Sources46
Leaning Left7Leaning Right8Center22Last UpdatedBias Distribution59% Center
Bias Distribution
- 59% of the sources are Center
59% Center
L 19%
C 59%
R 22%
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