Axons are usually surrounded by a fatty substance called myelin. Myelin allows action potentials to propagate quickly from one neuron to another, allowing for rapid signal transmission. It is a critical part of the nervous system and it's absence has devastating effects, as seen in conditions such as multiple sclerosis.
Omega 3 Fats & Vitamin D as Vitamins for Hearing. The high levels of omega 3 fats and Vitamin D generally found in fish, such as salmon, tuna, trout or sardines, can have highly positive effects on hearing loss. Studies have shown that adults who ate fish twice a week had a 42% lower chance of facing age-related hearing loss than non-fish eaters.
Food rich in Manganese also improve hearing because this mineral aids in the formation of connective tissues, and bones, plus it is also necessary for the normal functioning of the brain and nerves. If you have low levels of manganese, you will likely be suffering from tinnitus.