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Abnormal stress response seen in toddlers exposed to meth in womb
Date:3/19/2013

PISCATAWAY, NJ Some 2-year-olds whose moms used methamphetamine during pregnancy may have an abnormal response to stressful situations, according to a study in the May issue of the Journal of Studies on Alcohol and Drugs.

Researchers saw the altered response in toddlers who were exposed to meth in the womb and who currently had signs of strife in their livessuch as a mom who drank heavily or had depression or other mental health symptoms. Specifically, the children's levels of the stress hormone cortisol did not rise as they should have during a tense situation (a brief separation from mom).

Other research has linked such "blunted" cortisol responses to higher odds of health and behavioral problems in young peoplefrom substance abuse to delinquency to asthma. That raises concerns about some children exposed to meth in the womb.

"The lack of hormonal stress response that we observed in these children has serious implications, such as a greater risk for depression, anxiety, and attention-deficit/hyperactivity disorder," said lead researcher Namik Kirlic, of the University of Tulsa in Oklahoma.

However, not all of the children in the study showed a blunted stress response. Children with a more stable home environment had a normal hormonal response to stress.

"It's not the meth alone," said senior researcher Barry Lester, Ph.D., director of the Brown Center for Children at Risk at Women & Infants Hospital of Rhode Island and The Warren Alpert Medical School of Brown University. "It's the combination of meth exposure and adversity after birth. We see other things coming into playthe mother's psychological health, alcohol use, exposure to violence at home or in the community. The postnatal environment is hugely important."

The findings are based on 123 2-year-olds whose mothers had used methamphetamine during pregnancy. Lester's team had each child spend time in a room, playing with mom and being observed by a researcher. They th
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Contact: Amy Blustein
ABlustein@wihri.org
401-681-2822
Journal of Studies on Alcohol and Drugs
Source:Eurekalert

Page: 1 2

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