Tags: pollutant | overweight | link | pfoa

Pollutant Linked to Obesity

Wednesday, 22 February 2012 01:05 PM

An environmental pollutant commonly used in consumer products, textiles, carpets and fire retardants has been linked to obesity.
Researchers from the Norwegian Institute of Public Health said an analysis of more than 1,000 pregnant Danish women found that those who were exposed to the contaminant perfluorooctanoic acid (PFOA) were more likely to have daughters who would be obese by 20 years of age.
“It is still too early to say what this might mean for us,” said Line Smastuen Haug, an author of the study, published in the journal Environmental Health Perspectives. “The study indicates that factors such as environmental pollutants, in addition to diet and physical activity, play a role in the obesity epidemic we see today."
Among the study’s findings:
• Daughters of mothers with the highest concentrations of PFOA in the blood during pregnancy were three times as likely to be overweight at the age of about 20 years as daughters of mothers with the lowest PFOA levels.
• The calculations took into account many variables, such as maternal weight and lifestyle factors.
• An association was also found between PFOA exposure before birth and elevated levels of insulin and leptin, two hormones that are linked to obesity.
• Levels of insulin and leptin were also elevated in the sons of mothers with high PFOA, but the relationship was weaker than for girls. There was no increased risk of development of obesity among the sons.

© HealthDay

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Pregnant women exposed to a common contaminant bear more girls who grow up to be obese.
Wednesday, 22 February 2012 01:05 PM
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