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Exposure to Insecticide Might Explain 'Sonic Attack' in Cuba

October 2019 Comment 3K Report
Exposure to Insecticide Might Explain 'Sonic Attack' in Cuba

TUESDAY, Sept. 24, 2019 -- In 2016, American and Canadian diplomats in Cuba complained of vertigo, ringing in the ears, pain, blurred vision, dizziness, and memory and concentration problems.

The U.S. feared a Cuban-directed "sonic attack." Cuba denied it. Now a new study posits that the baffling illness was caused by exposure to an insecticide sprayed to kill mosquitoes carrying the Zika virus, CNN reports.

Researchers speculated that the problem might be caused by overexposure to the enzyme cholinesterase. An examination of 26 Canadian diplomats found traces of cholinesterase-inhibiting insecticides, which were used in Cuba. Researchers also found traces of temephos, another compound used in insecticides, in some of those tested.

"There is a lot we don't know about how much we can expose people to these chemicals and what are toxic levels, or if the damage in the brain is reversible," researcher Alon Friedman, M.D., a professor of neuroscience at Dalhousie University in Halifax, Nova Scotia, Canada, told CNN. "But it's not called a neurotoxin for nothing. The hint is in the name."

CNN Article

© 2019 HealthDay. All rights reserved.

Posted: September 2019

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