PHOENIX (AZFamily) — Nitrous oxide or laughing gas has been around and abused for decades, but Arizona’s Family Investigates found it’s making a comeback with it being easier than ever to buy. Experts ...

Laughing gas may make you giggle, but the legal implications are no joke. As courts begin to scrutinize the marketing of nitrous oxide, a substance long associated with harmless fun, a new lawsuit is ...

It's no laughing matter: Kids and teens across America are increasingly inhaling nitrous oxide, better known as "laughing gas," to get high. Too often, this ends in tragedy. U.S. deaths linked to ...

For decades, nitrous oxide, affectionately known as "laughing gas," occupied a relatively innocuous corner of public perception. It was the calming agent at the dentist's office, or perhaps a fleeting ...