AI Summary

A persistent, low-frequency humming noise has been reported by people worldwide for nearly five decades. The phenomenon, often described as a constant, low-pitched drone, has been a source of frustration and curiosity for those affected. Research suggests that this global 'hum' may be linked to a previously unknown form of tinnitus, a condition characterized by ringing or other sounds in the ears. Scientists propose that the hum could be a result of a specific type of tinnitus that is not yet fully understood or documented. Further investigation is needed to confirm the connection between the global hum and tinnitus, and to determine the underlying causes of this phenomenon.

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