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Study: Paracetamol can disrupt brain development

Paracetamol Photo: Hasse Holmberg/TT

One of the world's most widely used drugs to treat pain, paracetamol, can disrupt brain development and cause behavioral changes in adulthood, according to a study on mice at the University of Uppsala.

"This indicates that there is reason to try to limit the use of paracetamol in late pregnancy and be reluctant to give this medicine to infants," says researcher Henrik Viberg.

Ten-day-old mice received injections, and one group was given acetaminophen, and one with a placebo.

After two months the paracetamol mice had poorer adaptation to new environments and it was more difficult for them to learn new things than the comparison group.

Mice that had received paracetamol also had worse pain and anxiety than mice receiving acetaminophen only as adults.

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