Hartford, Connecticut, December 11, 1844. Crowds had gathered for a traveling “laughing gas” demonstration where nitrous oxide was used primarily for entertainment purposes. Dentist Horace Wells ...

HOUSTON — A Houston-area dentist and university professor was arrested after leading officers on a brief chase on Saturday, according to the Harris County Precinct 1 Constable's Office. Investigators ...

CHARLOTTE — It’s called nitrous oxide. You may know it as laughing gas. Dentists use it for pain relief. Others use it for a quick high. You can buy it legally. Social media promotes it, and it’s ...

Nitrous oxide used for sedating patients during dental appointments has a significant environmental impact, with wide variation in use and wastage across the UK, according to a new study by UCL ...

It’s not the first time the man has been arrested while in possession of more than 100 canisters of nitrous oxide, Texas cops say. Getty Images/iStock photo A dentist was caught driving with more than ...