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.
Vitamins Good for Hair Loss. 1. Vitamin A. Vitamin A regulates retinoic acid at the level of the hair follicle. This helps hair to grow and can also be good for the skin. Vitamin A can be taken as a supplement, in foods or rubbed into the scalp and hair in liquid form. For vitamin A, eat foods such as carrots, sweet potatoes, paprika, butternut squash, apricots and cantelope.