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 SPONSORED: We want your Facebook like Join our Facebook community and help us reach 100 000 likes fast! 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 News Zuma: SA to get free, quality healthcare News Obesity fuelling rise in US diabetes rates Lifestyle Family-time may help kids cope with bullying Medical The evolution of our angry face Medical New model predicts complications in patients with type 1 diabetes Diet and nutrition Low-carb diets may come out tops for weightloss From our sponsors Like us on facebook! Why take out life insurance from OUTsaurance Keep your pet's teeth in tip top condition Occlusal disease - a modern day dental problem Live healthier Knee pain relief » Knee injuries Test your knee pain knowledge Symptoms of knee pain Do you suffer from knee pain? Do you suffer from recurrent knee pain? It could be osteoarthritis... 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.