No evidence of Havana syndrome brain injury found in U.S. study

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No evidence of Havana syndrome brain injury found in U.S. study
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A U.S. government research team found no significant evidence of brain injury among a group of federal employees reporting symptoms of the 'Havana syndrome' ailment that emerged in 2016, according to studies published in a medical journal on Monday.

among a group of federal employees reporting symptoms of the "Havana syndrome" ailment that emerged in 2016, according to studies published in a medical journal on Monday. between a group of 86 employees and their adult family members reporting unusual health incidents and a matched group of healthy volunteers who had similar work assignments.

The findings, from two studies conducted from 2018 through 2022, do not match results from a different study done at the University of Pennsylvania and published in JAMA in 2019, which showed some subtle brain changes in those affected. He suggested the need for surveillance systems designed to rapidly detect early cases of the syndrome and clusters of concern across multiple U.S. government agencies and departments.

The findings from the MRI brain imaging study "should be some reassurance for patients," since researchers did not find a link between unusual symptoms and neurodegenerative changes, said Louis French, study investigator and deputy director of the National Intrepid Center of Excellence at Walter Reed National Military Medical Center.“The post-traumatic stress and mood symptoms reported are not surprising given the ongoing concerns of many of the participants,” he said.

A milder winter and steadily warming temperatures are having a significant impact on the sleep patterns and movement of Ontario’s wildlife, with at least one expert saying it’s unclear how climate change will impact ecosystems long-term.The Manitoba government says it's taking measures to mitigate potential impact to the province's economy after Imperial Oil Ltd.

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