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Chemicals found in makeup, soap, other personal products can speed up puberty in girls, says the study

According to a recent study, certain chemicals found in personal care products can help girls who meet puberty earlier.(iStock) Makeup,…

Makeup, Toothpaste and Soap: What do these everyday personal things have in common? According to a new study, certain chemicals contained in them could help girls beat puberty earlier.

The study, led by researchers at the University of California Berkeley and published in the magazine Human Reproduction earlier this week, analyzed pregnant women living in “farm-working, mainly Latin American communities in central California’s Salinas Valley” between 1

999 and 2000, according to a press release from UC Berkeley.

Researchers took urine samples from mothers twice during pregnancy. They then took urine samples from the 338 children – 159 boys and 179 girls – when they reached the age of 9, then tracked their growth and “development milestones” from that time until they reached the age of 13.

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The urine was tested for the presence of various chemicals, such as diethyl phthalate and triclosan, the first of which is often used as a stabilizer in perfumes and cosmetics. some types of toothpaste.

At the end of the year, researchers at the public health college found that daughters in mothers who had higher levels of diethyl phthalate and triclosan in their bodies during pregnancy experienced puberty at younger ages,

More specifically, each time the concentration of two chemicals – diethyl phthalate and triclosan – doubled in the mother’s urine, the time spent on developmental milestones in girls about a month earlier, “they said.

“Girls who had higher concentrations of parabens in their urine at 9 years of age also experienced puberty at younger ages,” the researchers continued. Parabens are used in cosmetics as preservatives.

The results come after a number of studies over the last two decades have “shown that girls and possibly boys have experienced puberty at progressively younger ages”, researchers said, not reaching puberty at a young age “has been linked to increased risk of mental disease, breast and ovarian cancer in girls and testicular cancer in boys. “

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However, this study is one of the few that specifically analyzed how these chemicals can affect the growth of human children, researchers say.

“We wanted to know what effect exposure to these chemicals has under certain critical windows of development, which are pre-birth and during puberty,” said Kim Harley, Associate Adjunct Professor at the Public Health College who worked with the study, in a statement.

“We know that some of the things we put on our bodies come into our bodies, either because they pass through the skin or we inhale them or we accidentally take them in,” she added. “We need to know how these chemicals affect our health.”

It’s not entirely certain that the chemicals caused the girls to reach puberty at a younger age. “People should be aware that there are chemicals in personal care products that can interfere with the hormones in our bodies,” says Harley. Further research is needed.

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