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.
But you donât have to swim to get swimmerâs ear. Water trapped in the ear canal is the cause of the infection. When water gets trapped in the ear canal, bacteria can multiply within the ear and that causes infection and irritation. If the infection progresses it may involve the outer ear and cause pain.