USA – NOVEMBER, 2014 Young men spent their free time in the parking lot by inhaling gas from a can of compressed air to clean computers. Unlike Helium, their voice changed to a deeper one. But the gas mixture also contained dangerous chemicals that entered the young man’s blood. He passed out and was pronounced dead at the hospital 2 hours later. He was only 21 years old.
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https://abc17news.com/news/2014/11/11/21-year-old-dies-from-inhaling-air-duster-can/