Compressed oxygen gas tank. This is an older and less common choice. It squeezes, or compresses, oxygen under high pressure inside a metal cylinder or tank. It’s very heavy, ...

WASHINGTON — U.S. health officials are tracking a rise in injuries tied to the misuse of nitrous oxide, or laughing gas, including some brands that are sold in small canisters containing flavors ...

FDA warns of misuse of laughing gas sold in colorful, flavored canisters ... But teens and adults have long misused those products to get high. The gas can briefly disrupt oxygen flow to the brain.