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Effect of some chemicals in toiletries, soap, etc.

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Effect of some chemicals in toiletries, soap, etc.

Postby Lightening Bug » Thu Dec 06, 2018 11:04 am

While looking at science and medical articles I found this one that describes the effects of some chemicals in commonly used products. If the study is correct these chemicals affect pregnant women and her child too.

https://www.livescience.com/64225-phthalates-parabens-early-puberty.html

From the article -

aren't necessarily coming from contaminated water or dangerous environments. Instead, they're found in products we use every day, including shampoo, makeup and nearly every kind of toiletry. [12 Hormone-Disrupting Chemicals & Their Health Effects]

Now, a new study, published Dec. 3 in the journal Human Reproduction, supports the possibility that the chemicals in these personal-care products are advancing the onset of puberty. In the study, public health researchers tracked a group of pregnant women and their children for 13 years, periodically measuring the concentrations of three groups of chemicals in the participants' urine. Their findings indicate that the odds governing whether a girl enters puberty earlier — which can have both physical and mental health effects — could be shifted even before children are born.


And another quote -

In the study, the researchers looked at three kinds of so-called hormone disruptors — chemicals that interfere with the body's hormone system. The groups included phthalates, which are found in fragrances; parabens, which are preservatives used in cosmetics; and phenols, which, during the study period, was used in antimicrobial soaps.


This is not new but the study was conducted over 13 years and appears to be correctly conducted. Wonder what the effect is on boys and men? I find it annnoying that phthalates don't need to be reported about in all of the products they're in.

Thought some of you would find this of interest.

Take care. :D
Take care. :D
Lightening Bug
 
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Re: Effect of some chemicals in toiletries, soap, etc.

Postby Bkeepr » Fri Dec 07, 2018 3:29 am

LB,
interesting, and certainly warrants more reading. But I don’t know how you decided this study was properly done...there’s not nearly enough info about the study in the story to know that.
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Re: Effect of some chemicals in toiletries, soap, etc.

Postby Lightening Bug » Fri Dec 07, 2018 4:38 am

Studies like this are frequently subject to questions. This one has more elements that make it worth looking at - length of time, 13 years; number of subjects; it's controlled for other conditions; and appears to recognize other factors might enter into results.

When I read about other studies or review them I find the above is often used to question results of research. Companies affected by this type of research usually say the studies are not long enough or don't have enough people, etc.

There are also other studies that show similar results. Phthalates are the chemicals subject to the most controversy from what I've read.

Thanks for your post.

Take care. :D
Lightening Bug
 
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Re: Effect of some chemicals in toiletries, soap, etc.

Postby Bkeepr » Fri Dec 07, 2018 8:59 am

Lightening Bug wrote:...This one has more elements that make it worth looking at - length of time, 13 years; number of subjects; it's controlled for other conditions; and appears to recognize other factors might enter into results....


Agree that those items are important, but there are some issues with the study--that the study authors note themselves. One of the most important is "The study population was limited to Latino children of low socioeconomic status living in a farmworker community and may not be widely generalizable." In addition, the study was limited to a very small geographic area. And fewer than 400 people is not a very large study. Finally, the study itself is very careful with its language and claims, while the article is not.

Here's where you can find the abstract, and a link to the study itself: https://academic.oup.com/humrep/advance ... 37/5204432

thanks for raising the issue, it is certainly interesting.
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