Saturday, April 02, 2022

Wildfire smoke exposure in early pregnancy affects infant monkey behavior


 News Release 1-Apr-2022
Peer-Reviewed Publication
University of California - Davis


Infant monkeys conceived while their mothers were naturally exposed to wildfire smoke show behavioral changes compared to animals conceived days later, according to a new study from researchers at the California National Primate Research Center at the University of California, Davis. The work is published April 1 in Nature Communications.  


 On assessment, the smoke-exposed infants showed increases in a marker of inflammation, a reduced cortisol response to stress, memory deficits and a more passive temperament than other animals, Capitanio said.

“It’s a mild effect across a variety of domains of psychological function,” Capitanio said. The effects are consistent with those found in studies of prenatal exposure to air pollution, he said. Comparison between the groups and with animals born in other years shows that the results are not due to the timing of conception (earlier versus later in the breeding season).


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