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struggle4progress

(125,093 posts)
8. Tear gas is a chemical weapon banned in war
Sat Oct 25, 2025, 09:35 AM
Saturday

McKenzie Sadeghi
USA TODAY

... Dr. Robert Glatter, an emergency physician in New York City told USA TODAY that tear gas isn’t necessarily a “gas” but rather a powder that is heated and mixed with a solvent and released as an aerosol.

Glatter said tear gas not only irritates cells, but also activates pain receptors, which leads to intense burning pain in the eyes, throat, lungs, skin and mucous membranes. Tear gas can also cause exaggerated muscle cramping in the eye and sensitivity to light that leads to eye closure.

Other effects of tear gas include a difficulty in swallowing, drooling and severe burning in the mouth. In some cases, it can cause an asthma attack or swelling in the area that could potentially lead to asphyxiation or death.

Dr. Kelly Johnson-Arbor, medical director at National Capital Poison Center, told USA TODAY that picking up tear gas canisters can cause burn injuries because canisters can detonate, which exposes people to propellants, solvents and explosives ...

The 1925 Geneva Protocol categorized tear gas as a chemical warfare agent and banned its use in war shortly after World War I. The protocol was signed at a conference held in Geneva and took effect on Feb. 8, 1928, according to the United Nations website ...

https://www.usatoday.com/story/news/factcheck/2020/06/06/fact-check-its-true-tear-gas-chemical-weapon-banned-war/3156448001/

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