The Hair health begins from hair growth diet supplied to cells beneath the skin.The Nerves..yes the nerves carry all the nutrition to all the parts of body through blood stream and provide Hair growth.So once your blood is pure and of high hemoglobin..then you should be doing fine.So hair fall diet becomes really important
The nerves beneath the skin provide nutrition to the skin.The Scalp is also a kind of skin which has more hair follicles rather any other part of the body.