The tear gas is regularly used by police to disperse crowds during demonstrations. A report of the Association toxicology-chemistry of Paris, published on June 26, and that The Obs echoed, tip however its harmful effects on health. According to this study, long 127 pages and carried out by the doctor of biology Alexander Samuel, the gas presents hazards to the human body " in a more or less long term."
In case, molecules " CS ", which, after having been absorbed by the body through respiratory or dermal, mutate into molecules of cyanide, a component well known for its toxicity. The author of the report emphasizes the different consequences that may result from the cyanide on the human body : "The gas causes an irritant effect, which can result in damage that may become irreversible at the level of the eyes, skin, lungs and gastrointestinal tract. "" On a more long-term, the anion cyanide may aggravate these attacks, and also affect the endocrine [thyroid] ", he says.
"It is urgent that governments go in the direction of the protection of public health"
In his report, Alexander Samuel also mentions two recent cases of death controversial that would be associated with the gas : that of Zineb Redouane, octogenarian victim in December 2018 of a cardiac arrest in the aftermath of the explosion of a tear gas canister at his home, and Steve Maia Caniço in Nantes in June 2019, which occurred after a load of police involving multiple tear-gas canisters. "With the increased use of gas at protests, there is an urgent need for governments to take decisions that are binding in the sense of the protection of public health ", he concludes.
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