Scientists have identified the gene that contributes to one of the most common forms of deafness, leading to hopes that a cure will be found.

Belgian researchers discovered the TGBF 1 gene is responsible for causing abnormal bone growth in the ear - called otosclerosis - which can lead to profound deafness.

According to the Royal National Institute for Deaf People, one million people in the UK, or about two per cent of the population, is affected by otosclerosis.

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