Home > Medical > Hearing management > FAQs 17 December 2008 Are certain children born deaf, or does it happen later? Most hearing impairment is inherited. But of all types of inherited deafness, only one third is present at birth. 0 Ask Hearing Care expert » Deaf and drop-dead gorgeous Video: 'Fake' interpreter vs. the real one Most hearing impairment is inherited. But of all types of inherited deafness, only one third is present at birth. Another third starts during childhood and the other third only manifests in adulthood. More in Medical Do cochlear implants give someone normal hearing? More: Hearing managementFAQs advertisement Get a quote Momentum - save up to 35% on healthcare advertisement Read Health24’s Comments Policy Comment on this story 0 comments Add your comment Thank you, your comment has been submitted. Logout Comment 0 characters remaining Share on Facebook Logout Comment 0 characters remaining Share on Facebook Loading comments... Other news Medical Cholesterol drugs may assist post-operative recovery Medical Smoking linked to risk, progression of macular degeneration Medical Rheumatic heart disease: the forgotten killer News Early intensive treatment may boost Ebola survival News Work stress may raise heart attack and stroke risk News Heterosexual men prefer 'nice' women From our sponsors Occlusal disease - a modern day dental problem The importance of choosing the best life insurance for you Alzheimer’s disease – incurable but preventable Breakfast like a King Live healthier Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins Get your vitamins right Find out which vitamin to use for which condition. Ask our Vitamin expert. Yoga » Exercise time? Yoga mats matter Yoga and sleep What yoga can do for you Yoga is a stress-buster, but it also helps with anxiety, depression, insomnia, back pain and other ills.