Gastritis is a disease in which the mucous lining of the stomach becomes irritated and inflamed.  If gastritis is prolonged, the stomach walls become very thin, secreting almost entirely mucus and very little digestive acid.  In this condition, the stomach is unable to product the intrinsic factor, a substance necessary for the absorption of vitamin [...]

Healthy hair is dependent upon blood circulation and quality, which in turn are dependent upon nutrition.  Partial lack of any nutrient can cause hair problems.  A well-balanced diet is important to maintaining healthy hair, although hereditary graying and balding cannot be completely prevented by nutritional means.
Hair is composed primarily of protein.  A deficiency of protein [...]

An ear infection can occur in any of the three sections within the ear. The outer ear is that section which is visible, plus the ear canal, a skin-lined tube that ends at a disk known as the eardrum. The middle ear is composed of three small bones that lie on the inward [...]