In some people , gradual hearing loss may also be an early sign of types of dementia . Brain abnormalities may contribute independently to both conditions , but it 's also possible that hearing problems can help bring on dementia , the researchers say . Comment: 30 million Americans have impaired hearing ; dementia predicted for 1 in 30 by 2050 .
In some people , gradual hearing loss may also be an early sign of types of dementia . Comment: 30 million Americans have impaired hearing ; dementia predicted for 1 in 30 by 2050 .