When it's abused, it can give users a euphoric high rush that lasts a few minutes. It can be addictive and deadly.

Nitrous oxide, the ingredient in laughing gas, is now being called 'galaxy gas' on social media. Young folks are taking a whiff, getting high and posting about it, creating a dangerous trend.

When the 18-year-old got out around a month later, his phone was full of memes and messages asking if he was still alive. He first heard about Galaxy Gas, the brand name clearly visible on the ...