What is swallowing ice cubes?

Swallowing ice cubes is generally safe unless one has a condition that makes them sensitive to cold, such as Raynaud's syndrome. Ingestion of ice cubes can also cause temporary discomfort or pain while they pass through the esophagus. Swallowing large pieces of ice can potentially cause choking or damage to the esophagus, so it is recommended to let ice cubes melt in the mouth before swallowing. Additionally, individuals with dental sensitivity or weakened teeth may want to avoid chewing on ice cubes as it can cause tooth enamel damage. Overall, there is no known health benefit to swallowing ice cubes and it is recommended to consume them in moderation.