Chemicals Linked to Obesity in Black Children

African-American children with high levels of hormone-altering chemicals known as phthalates are more likely to be obese, according to new research















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Black children have more phthalates in their bodies than children of other races. The chemicals are used in shampoos and lotions to make fragrances last longer. Image: Flickr/Kasey D.

Black children with high levels of hormone-altering chemicals used in some shampoos and lotions are more likely to be obese, according to research published today.

The study by New York University scientists is the second to link phthalates to obesity in children but the first to use a large sample of children and look for racial disparities.

Black children have much higher levels of the chemicals in their bodies than children of other races, and for every tripling of certain compounds, they were 22 percent more likely to be obese, according to data from 2,884 children aged 6 to 19. No links to obesity were found in white or Hispanic children.

“The takeaway is we need to consider environmental exposures when looking at the obesity problem,” said Leonardo Trasande, a professor at New York University School of Medicine and lead author of the study. “Environmental chemicals may contribute independently of diet and exercise.”

Phthalates are a large family of chemicals with varied uses. The phthalates associated with black children’s obesity were the kind commonly added to personal care products to make fragrances last longer. Other phthalates are used to make vinyl and can be found in food packaging, medical devices and flooring.

Trasande and colleagues checked for a variety of phthalates and only found a link to the kinds used in personal care products.

Both Trasande and other researchers were quick to point out that this doesn’t mean phthalates cause obesity.

“It’s a big study and nationally representative, which is good,” said Joe Braun, an epidemiology professor at Brown University who was not involved with the research. “But since they measure phthalates levels in urine and obesity at the same time, it’s a chicken and egg problem. Do phthalates cause obesity or are obese children more exposed?” It’s unclear, he said, when they were exposed relative to when they became obese.

Kathryn St. John, a senior director of product communications at The American Chemistry Council, which represents chemical manufacturers, said no conclusions can be drawn from this study about whether a significant increase in childhood obesity can be linked to phthalate exposure.

“Attempts to link our national obesity problem to minute exposures to chemicals found in common, everyday products are a distraction from efforts to address this important national health issue,” St. John said.

Previous studies have linked phthalates to hormone disruption – including hormones responsible for fat tissue and development of the brain and reproductive system. Trasande said it’s plausible – though not proven by this study – that phthalates could contribute to obesity by messing with receptors that metabolize lipids and carbohydrates.

One previous study linked phthalates to obesity in children. High phthalate concentrations were associated with increased body mass and waist size in Hispanic and black children aged 6 to 8 in New York City. Phthalates also were linked to adult obesity in a 2007 study.

In the new study, it is unclear why there was only a link for black children, but it could be due to their higher concentrations of the chemicals. For the personal care product-type phthalates, black children had levels 81 percent higher than white children, 45 percent higher than Mexican American children and 4 percent higher than other Hispanic children.

"One possibility is that different racial/ethnic groups use phthalate-containing shampoos and lotions differently, or use products containing different [phthalate] mixes," says the study, which was published online in the journal Environmental Health Perspectives.



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  1. 1. PrettyOld 07:26 PM 2/4/13

    There is a diabetes crisis in all people, not just African Americans. The diabetes crisis is from food chemicalslike HFCS and Aspartame http://type2diabetesdietplan.blogspot.com/2013/01/high-blood-sugar-food-what-you-should.html

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  2. 2. babby 08:26 PM 2/4/13

    Don't know what HFCS is, but I've stayed clear of aspartame for years. The only sweeteners I use are honey & brown sugar. We get too many chemicals in our foods as it is

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  3. 3. stargene 09:10 PM 2/4/13

    It is touching that St. John, a PR suit, should come to
    the defense of her discretely bloated (yet innocent)
    suzerains up in the chem lords humble palais. And
    for this spokes-minion, utterly untainted by science,
    to bravely conclude that "..NO conclusions.." can
    be drawn, and then whip around with arachnid
    speed and conclude that such "Attempts…are a
    distraction…" leaves one breathless.

    Since, overwhelmingly, what constitutes "important
    issues" in the mainstream media is decided by such
    gatekeepers, we are in good hands indeed.

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  4. 4. Mr.Hippo 12:37 PM 2/5/13

    If the correlation is true, I'd say look at lotion/moisturizers. Not only from the permeable nature of skin, but the sheer amount used. Before I went to college, I had no idea. It simply wasn't anything that I would have thought about. Obviously I had girlfriends that used moisturizers before bed or in winter, but I was truly shocked by the amount my teammates went through. Don't get me wrong, I understand why.

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  5. 5. AlvisWilson 02:30 AM 2/6/13

    good post.

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  6. 6. AlvisWilson 02:31 AM 2/6/13

    good post... thank you....

    http://www.medstorerx.com

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  7. 7. AlvisWilson 02:32 AM 2/6/13

    <a href="http://www.medstorerx.com">Meds</a>

    Reply | Report Abuse | Link to this
  8. 8. bucketofsquid 05:13 PM 2/8/13

    It is nice to see people admitting that we are not all clones of a single person. Dietary guidelines based on white English ancestry people really do not work for anyone else. If you and your ancestors grew up eating monkey and cabbage, suddenly changing to wheat and potatoes and carrots isn't a good idea.

    I strongly support making it a requirement that something be proven safe before it is unleashed on a vulnerable public.

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  9. 9. bucketofsquid in reply to Tim May 05:20 PM 2/8/13

    @Tim May - learn to read you racist loser. These children aren't eating lotions and shampoo. I suppose you think us whites need to stop using plastic to avoid bisphenol A, and have some self control? I'd spit in your face but it would be a waste of perfectly good spit.

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