Tinnitus, commonly described as a ringing in the ears, may affect about 750 million people around the world, according to new research based on about 50 years of data.
The findings align with earlier estimates. The American Tinnitus Association estimates nearly 15% of people, or more than 50 million Americans, experience tinnitus. The National Institute on Deafness and Other Communication Disorders says about 10% of U.S.
While tinnitus is commonly known as a ringing sound in the ears, it can take many other forms, including buzzing, hissing, whistling, swooshing and clicking noises, according to the American Tinnitus Association (ATA).
Still, some people can develop tinnitus for no obvious reason, the institute said.
The ATA also said chronic tinnitus can be a debilitating condition that can interfere with a person's ability to work and socialize.
Treatments that may help tinnitus include hearing aids, counseling and wearable sound generators, the NIDCD said
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