According to a study published online in the journal Environmental
Research, a connection has been found between obesity in young children -
including waist circumference and increased body mass index (BMI) - and exposure
to the chemical group known as phthalates, by investigators from the Children's
Environmental Health Center at The Mount Sinai Medical Center.
The National Institute for Environmental Health Sciences, The National Cancer Institute, and the U.S. Environmental Protection Agency funded the study.
Phthalates are manufactured, endocrine-disrupting chemicals that can mimic the body's natural hormones. Phthalates are primarily used to soften polyvinyl chloride (PVC) in products, such as wall and floor coverings, personal-care products, medical devices, and food processing materials.
Although it is known that poor diet and lack of exercise are associated with obesity, several studies suggest that environmental chemicals - including phthalates - could be linked to the increasing rates of childhood obesity.
This is the first investigation to analyze the association between exposure to phthalates and measurements used to identify obesity in children.
387 black and Hispanic children in New York City were enrolled to participate in the study. Using urine samples from the participants, the researchers measured phthalate concentrations. One year later, the participants' BMI, waist circumference, and height were measured.
The team discovered that more than 97% of study participants had been exposed to phthalates commonly found in personal care products, such as cosmetics, varnishes, perfume, lotions, and medication or nutritional supplement coatings. The phthalates included monoethyl phthalate (MEP), as well as other low molecular-weight phthalates.
Furthermore, they discovered a link between BMI and waist circumference among overweight children with concentrations of these phthalates. For instance, overweight girls with the highest exposure to MEP had a BMI 10% higher than girls with the lowest exposure to MEP.
Lead author of the study Susan Teitelbaum, Ph.D., Associate Professor in the Department of Preventive Medicine at Mount Sinai School of Medicine explained:
According to the U.S. Centers for Disease Control and Prevention, the number of obese children aged 6 to 11 in the U.S. has increased from 7% in 1980, to over 40% in 2008. Currently, over 15% of children in the U.S. between 6 to 19 years of are considered obese, while over 1 in 5 children in public schools in New York City are obese.
Dr. Teitelbaum said:
Written by Grace Rattue
http://www.medicalnewstoday.com/articles/240639.php
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The National Institute for Environmental Health Sciences, The National Cancer Institute, and the U.S. Environmental Protection Agency funded the study.
Phthalates are manufactured, endocrine-disrupting chemicals that can mimic the body's natural hormones. Phthalates are primarily used to soften polyvinyl chloride (PVC) in products, such as wall and floor coverings, personal-care products, medical devices, and food processing materials.
Although it is known that poor diet and lack of exercise are associated with obesity, several studies suggest that environmental chemicals - including phthalates - could be linked to the increasing rates of childhood obesity.
This is the first investigation to analyze the association between exposure to phthalates and measurements used to identify obesity in children.
387 black and Hispanic children in New York City were enrolled to participate in the study. Using urine samples from the participants, the researchers measured phthalate concentrations. One year later, the participants' BMI, waist circumference, and height were measured.
The team discovered that more than 97% of study participants had been exposed to phthalates commonly found in personal care products, such as cosmetics, varnishes, perfume, lotions, and medication or nutritional supplement coatings. The phthalates included monoethyl phthalate (MEP), as well as other low molecular-weight phthalates.
Furthermore, they discovered a link between BMI and waist circumference among overweight children with concentrations of these phthalates. For instance, overweight girls with the highest exposure to MEP had a BMI 10% higher than girls with the lowest exposure to MEP.
Lead author of the study Susan Teitelbaum, Ph.D., Associate Professor in the Department of Preventive Medicine at Mount Sinai School of Medicine explained:
"Research has shown that exposure to these everyday chemicals may impair childhood neurodevelopment, but this is the first evidence demonstrating that they may contribute to childhood obesity. This study also further emphasizes the importance of reducing exposure to these chemicals where possible."
According to the U.S. Centers for Disease Control and Prevention, the number of obese children aged 6 to 11 in the U.S. has increased from 7% in 1980, to over 40% in 2008. Currently, over 15% of children in the U.S. between 6 to 19 years of are considered obese, while over 1 in 5 children in public schools in New York City are obese.
Dr. Teitelbaum said:
"While the data are significant, more research is needed to definitively determine whether phthalate exposure causes increase in body size."
Written by Grace Rattue
http://www.medicalnewstoday.com/articles/240639.php
Please Join Us @
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