Congenital deafness is one of the most common birth defects in Tamil Nadu and doctors at a city-based ENT research centre say the cause may lie in the gene.
A team of doctors from Madras ENT Research Foundation(MERF) is looking into genes of more than 300 people from 60 families with deaf children to see if the birth defect has been passed on by a rouge gene from parents. In 2013, studies showed that six out of every 1,000 children born in the state have profound hearing loss -three times the national average. Doctors found that parents of at least two-thirds of the 50,000 deaf children surveyed had consanguineous mar riage. Yet, not all children born to such couples had the birth defects.................Read more
Source: The Times of India