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Home / World / "Sonic weapon", which was used on diplomats in Cuba, could have been a pesticide according to study results

"Sonic weapon", which was used on diplomats in Cuba, could have been a pesticide according to study results



The mysterious high humming sound associated with the so-called "sonic assaults" on nearly 40 Cuba-based US and Canadian diplomats may have been caused by a neurotoxic agent used to kill mosquitoes, a new study that the Canadian had commissioned allegations from the government.

The strange incidents began in late 2016 when US and Canadian embassy staff began seeking medical help for hearing loss and ringing noise, which was eventually linked to strange noises or vibrations that investigators initially suspected the diplomats' victims were malicious noise attacks, although Cuba has firmly rejected the accusation. Things got so bad that the US and Canada have dismissed their embassy staff, citing the medical riddle that is now called the "Havana syndrome.] There were several theories ̵

1; from crickets to microwave weapons – about the cause of headaches , Dizziness and other vibration-like symptoms.

Global Affairs Canada commissioned a clinical trial to investigate the strange case.

"The working hypothesis actually only came after we achieved the most results," said Alon Friedman, the lead author of the study, to the CBC News in Canada.

Friedman's research team examined 26 Canadians, including a control group that has never lived in Havana.

Physicians, scientists, and researchers conducted in-depth research on Canadian symptoms and performed multiple blood and brain imaging tests. They found different types of brain damage in an area that causes symptoms reported by diplomats and is susceptible to neurotoxins. They found that a key enzyme called cholinesterase is blocked, which is necessary for the proper functioning of the brain of the nervous system. They then discovered that certain classes of pesticides are inhibiting cholinesterase and that, like many other tropical islands, Cuba regularly sprays pesticides to kill insect-borne insects. TRANSITION OF THE REMAINING CUBAN MISSION TO MANHATTAN

The researchers then found that Cuba 2016 "an aggressive campaign against mosquitoes started to stop the spread of the Zika virus" and outside of diplomatic residences were sprayed 5 times more often than under normal circumstances. Toxicological reports from Canadian victims confirmed the presence of pyrethroid and organophosphate – two compounds commonly found in fumigated products.

"There are very specific types of toxins that affect these types of nervous systems … and these are insecticides, pesticides, organophosphate-specific neurotoxins," said Friedman.

Researchers also found a correlation between the subjects most affected by the symptoms and the number of fumigations at their workplaces and at home.

Friedman added It was not clear if the wider Cuban population was affected by all fumigation and if not why. He said his team, along with Cuban scientists, will address these issues in the future.

"We will continue the research in other ways to determine which of the toxins is more toxic, at what levels – much is not the case. Not yet known," said Friedman.

Over the course of two years, several studies and theories on the enigmatic case have emerged.

In January, two researchers from the University of California, Berkeley and the University of Lincoln in the UK blamed the piercing sounds for the Cuba-based crickets known as Anurogryllus celerinictus. While the New York Times reported that the high-pitched noise was microwave, others claimed the diplomats' complaints were due to rogue viruses. Some also believed that an earlier trauma was the real culprit.

The medical sociologist Robert Bartholomew has brought everything to a triggered hysteria.

"Think of psychogenic mass illnesses as the reverse placebo effect," he told Vanity Fair. "By taking a sugar pill, you can often feel better, and you can feel sick if you think you're getting sick."

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Cindy Calkin, a psychiatrist and member, "I've interviewed everyone but one or two (the victims) and found no evidence of a psychiatric disorder," she said to CBC News. "This is a very strong group, very resilient, and there is no evidence of mass hysteria, and part of the diagnosis of mass hysteria is that there are no other medical causes that can be found, and we have (found) medical evidence."


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