· Updated March 27, 2025 5:09 AM · 1 min read read
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The findings of a longitudinal study by the School of Public Health (SPH) at UC-Berkeley suggest that exposure to certain chemicals in personal care products like toothpaste that can act as hormone blockers may cause girls to begin puberty at an earlier-than-normal age. The results were published in the most recent edition of Human Reproduction, a scientific journal published by Oxford University Press.
According to the SPH, the data were collected over years as researchers followed the develop
The findings of a longitudinal study by the School of Public Health (SPH) at UC-Berkeley suggest that exposure to certain chemicals in personal care products like toothpaste that can act as hormone blockers may cause girls to begin puberty at an earlier-than-normal age. The results were published in the most recent edition of Human Reproduction, a scientific journal published by Oxford University Press.
According to the SPH, the data were collected over years as researchers followed the develop…