Deafness: Missed mutations raise risk of hearing loss A gene associated with hereditary hearing loss may play a greater role than previously recognized in age-related auditory impairment. Many cases of autosomal dominant non-syndromic hearing loss (ADNSHL) arise from defects in KCNQ4. a protein that maintains the cellular ionic conditions needed for normal inner ear function. Research... https://parisnaturalfoodes.shop/product-category/vitamin-a-drops/