Prenatal Exposure To Common Chemicals Might Lower Child's IQ
Prenatal Exposure to Common Chemicals Linked to Lower IQs
Children's IQs were about 7 points lower among mothers with the highest exposures.
By Tara Haelle, HealthDay News
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Children exposed in the womb to higher amounts of two chemicals commonly found in plastics may be at higher risk for lower IQ, a new study suggests.
The two compounds, di-n-butyl phthalate (DnBP) and di-isobutyl phthalate (DiBP), are part of a class of chemicals called phthalates and are found in a variety of household goods.
"This study adds to the small but growing body of research linking children's prenatal exposure to phthalates and later development," said Dr. Andrew Adesman, chief of developmental and behavioral pediatrics at Cohen Children's Medical Center of New York, who was not involved with the study. "This is the first prospective study to identify an association between prenatal phthalate exposure and IQ in school-age children."
Phthalates are added to plastics to make them more flexible and harder to break, according to the U.S. Centers for Disease Control and Prevention. But they serve other purposes as well, said study author Pam Factor-Litvak, an associate professor of epidemiology at the Columbia University Medical Center in New York City.
"Depending on the specific phthalate, they are used to make plastic flexible, as adhesive and as additives to cosmetics, air fresheners and cleaning products, as several 'hold' scents," Factor-Litvak said.
Video: Prenatal exposure to two phthalates - chemicals commonly used in plastics and cosmetics may ...
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