Sarah Kliff has an interesting report at Vox.com:
“I’m very concerned about the increased use, and the much laxer attitude we’ve developed towards the potential health effects,” says Sven-Eric Jordt, a scientist at Duke University who researches tear gas.
Jordt says we know a decent amount about how tear gas effects the body in the short-term: it activates pain receptors, especially in the eyes, forcing the eyelids to squeeze shut and tear uncontrollably. Jordt, who himself was tear-gassed during a protest in Germany in the 1980s, describes the sensation as “like cutting an onion but about 100 times more severe.”
There is little known, however, about whether the main chemical in modern tear gas — a compound called 2-chlorobenzalmalononitrile — can…
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