Oxygen bars are so '90s—did anyone really shell out 20 bucks for mint-flavored oxygen when you could have a breathtaking mojito for less than half that? But the world's most essential element is making a fashionable comeback. This time, in a can. According to people who know their gas, a drop in the amount of oxygen in the body can result in yawning and sighing. …
Oxygen in a Can
