Saturday, November 8, 2025

Common pesticides may cause testicular damage and lower sperm counts

A decade-long review by George Mason University researchers reveals growing evidence that neonicotinoid insecticides—the world’s most widely used class of pesticides—may harm male reproductive health. The findings, based on 21 animal studies, show consistent links between exposure and reduced sperm quality, hormonal disruption, and testicular damage.

from Top Health News -- ScienceDaily https://ift.tt/ZAoIJH5

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Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...