1. Chewing Gum in Singapore
In 1992, Singapore implemented a ban on the import and sale of chewing gum to maintain public cleanliness and prevent gum-related vandalism. The ban was enforced after incidents where discarded gum caused disruptions in the Mass Rapid Transit (MRT) system, such as jamming train doors. While chewing gum is not illegal to consume, importing or selling it without authorization is prohibited. Exceptions exist for therapeutic, dental, and nicotine gums, which can be purchased from registered medical professionals (en.wikipedia.org).
