After inhaling laughing gas (nitrous oxide)

Watch this video to see what happens to a person after inhaling laughing gas, which is also known as nitrous oxide. Some food for thought:

• Are the people in the video happy after laughing for so long?
• Are the people in the video experiencing some kind of bodily cramps or muscles cramps?
• Notice the amount of laughing gas they inhaled.

Laughing gas video

A safety pointer to note - do not inhale laughing gas.