PLASTIC FOOD PACKAGING LINKED TO HIGH BLOOD PRESSURE IN KIDS
Published May 22, 2013 in Food Product Design
NEW YORK—Dietary exposure to phthalates that can leech from plastic packaging and mix with food may cause significant metabolic and hormonal abnormalities in children, especially during early development, according to a new study published in The Journal of Pediatrics. The findings also suggest certain types of phthalates could compromise heart health in kids.
Drawing on data from a nationally representative survey of nearly 3,000 children and teens, researchers at NYU Langone Medical Center, in collaboration with researchers at the University of Washington and Penn State University School of Medicine, have documented for the first time a connection between dietary exposure to DEHP (di-2-ethyhexylphthalate), a common class of phthalate widely used in industrial food production, and elevated systolic blood pressure, a measure of pressure in the arteries when the heart contracts.
“Phthalates can inhibit the function of cardiac cells and cause oxidative stress that compromises the health of arteries. But no one has explored the relationship between phthalate exposure and heart health in children" said lead author Leonardo Trasande, M.D., MPP, associate professor of pediatrics, environmental medicine and population health at NYU Langone Medical Center. “We wanted to examine the link between phthalates and childhood blood pressure in particular given the increase in elevated blood pressure in children and the increasing evidence implicating exposure to environmental exposures in early development of disease."
The researchers examined six years of data from a nationally representative survey of the U.S. population administered by the National Centers for Health Statistics of the Centers for Disease Control and Prevention. Phthalates were measured in urine samples using standard analysis techniques. Controlling for a number of potential confounders, including race, socioeconomic status, body mass index, caloric intake and activity levels, the researchers found that every threefold increase in the level of breakdown products of DEHP in urine correlated with a roughly one-millimeter mercury increase in a child’s blood pressure.
“That increment may seem very modest at an individual level, but on a population level such shifts in blood pressure can increase the number of children with elevated blood pressure substantially," Trasande said. “Our study underscores the need for policy initiatives that limit exposure to disruptive environmental chemicals, in combination with dietary and behavioral interventions geared toward protecting cardiovascular health."
Sources:
Drawing on data from a nationally representative survey of nearly 3,000 children and teens, researchers at NYU Langone Medical Center, in collaboration with researchers at the University of Washington and Penn State University School of Medicine, have documented for the first time a connection between dietary exposure to DEHP (di-2-ethyhexylphthalate), a common class of phthalate widely used in industrial food production, and elevated systolic blood pressure, a measure of pressure in the arteries when the heart contracts.
“Phthalates can inhibit the function of cardiac cells and cause oxidative stress that compromises the health of arteries. But no one has explored the relationship between phthalate exposure and heart health in children" said lead author Leonardo Trasande, M.D., MPP, associate professor of pediatrics, environmental medicine and population health at NYU Langone Medical Center. “We wanted to examine the link between phthalates and childhood blood pressure in particular given the increase in elevated blood pressure in children and the increasing evidence implicating exposure to environmental exposures in early development of disease."
The researchers examined six years of data from a nationally representative survey of the U.S. population administered by the National Centers for Health Statistics of the Centers for Disease Control and Prevention. Phthalates were measured in urine samples using standard analysis techniques. Controlling for a number of potential confounders, including race, socioeconomic status, body mass index, caloric intake and activity levels, the researchers found that every threefold increase in the level of breakdown products of DEHP in urine correlated with a roughly one-millimeter mercury increase in a child’s blood pressure.
“That increment may seem very modest at an individual level, but on a population level such shifts in blood pressure can increase the number of children with elevated blood pressure substantially," Trasande said. “Our study underscores the need for policy initiatives that limit exposure to disruptive environmental chemicals, in combination with dietary and behavioral interventions geared toward protecting cardiovascular health."
Sources:
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