Social media platforms like TikTok and X (formerly Twitter) feature videos of teens using Galaxy Gas. One widely viewed video shows a student inhaling the gas in class and collapsing afterward.

Galaxy Gas is a new name for a longtime substance misuse issue, and health experts want parents to know the signs and dangers.

Whippets, or the use of nitrous oxide to get a high, has been happening for decades, but it recently made a resurgence among teens through social media. It started on TikTok when a man in a fast food establishment took a hit from a flavored whipped cream canister called “Galaxy Gas,