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Study: Exposure To Chemicals In Toothpaste, Shampoo, May Accelerate Puberty In Girls

Bill Gnade

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 development of 338 children from birth to adolescence. All data were drawn from the Center for the Health of Mothers and Children of Salinas (CA) study, or CHAMACOS, that began in 1999.

A Wall and All That Matters
Commentary

A Wall and All That Matters

W.H. Gnade

It once seemed self-evident that if a thing is valuable, it is worth protecting. Conversely, if a thing is deemed worthless, it's tossed away with nary a thought.

But now, at this time in American history, as a caravan of apparent asylum-seekers has finished passing through Mexico (not needing or wanting asylum there, I note) to press on the border of the United States, it feels, at least to me, that the self-evident value of American citizenship is about the worth of a mere bauble.

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