A new campaign to raise awareness of the effects of nitrous oxide, also known as "laughing gas", is being launched in the Paris region and Hauts-de-Seine. The aim is to raise awareness of the health risks this gas can pose.
A new campaign to raise awareness of the effects of nitrous oxide, also known as "laughing gas", is being launched in the Paris region and Hauts-de-Seine. The aim is to raise awareness of the health risks this gas can pose.