Avoid Nicotine During Pregnancy For the Sake of Your Offspring

by VR Sreeraman on  December 5, 2010 at 12:09 PM Women Health News
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A new research in rats has found that exposure to nicotine during pregnancy leads to a decrease in adult stem cells and a change in synaptic plasticity in the hippocampus of the offspring.
 Avoid Nicotine During Pregnancy For the Sake of Your Offspring
Avoid Nicotine During Pregnancy For the Sake of Your Offspring

Researchers from the University of Alabama at Birmingham say this could be a possible cause for behavioral problems such as attention-deficit hyperactivity disorder (ADHD) seen in children whose mothers smoked.

Adult stem cells in the hippocampus, the area of the brain most connected to learning and memory, continue to divide and produce new cells over a lifetime.

The UAB team showed that exposing rats to nicotine during pregnancy leads to a decrease in the number of new cells in the hippocampus.

"Failure to correctly incorporate newborn cells into the circuitry of the hippocampus - and the resulting disruption of neural pathways essential to learning - could account for some of the behavioral problems observed later in the lives of children of mothers who smoke during pregnancy," said Robin Lester, associate professor in the Department of Neurobiology and primary investigator.

"These problems could include various cognitive deficits, learning difficulties, ADHD and an increased predisposition to drugs of abuse."

The research has been presented at Neuroscience 2010, the annual Society for Neuroscience meeting in San Diego in November.

Source: ANI

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