Intake recommendations for iodine and other nutrients are provided in the Dietary Reference Intakes (DRIs) developed by the Food and Nutrition Board (FNB) at the Institute of Medicine of the National Academies (formerly National Academy of Sciences) [2].
Answer. The ear canal has very delicate skin; even a hair may cause itching in the ear. So no wonder itching or irritation is a common complaint from the hearing aid user who comes in for a follow up visit.
What is an Ear Infection? Infection can affect the ear canal (otitis externa), the eardrum (myringitis), or the middle ear (otitis media). Most ear injuries are caused by pressure changes during direct injury (such as a blow to the ear) or sport scuba diving, but, a persistently painful ear may signal an infection that requires treatment.