Answer: Hair on average grows 1/2 inch a month. Everyone is diffrent, it may grow less due to bad health, medicine, or heredity. In summer months it may grow a slight bit more due to blood pressure raised, and more blood flow to skin = more food for the hair.
Answer: The best method that I have found is a vitamin called Biotin. You can find it where you find your vitamin supplements. "Biotin is necessary for cell growth, the production of fatty acids, and the metabolism of fats and amino acids. It plays a role in the Citric acid cycle, which is the process by which biochemical energy is generated during aerobic respiration. Biotin not only assists in various metabolic reactions, but also helps to transfer carbon dioxide. Biotin is also helpful in maintaining a steady blood sugar level. Biotin is often recommended for strengthening hair and nails. Consequently, it is found in many cosmetic and health products for the hair and skin." -Wikipedia Helps your hair grow faster, only draw back it helps ALL your hair grow faster... And there is always the over-counter product, Rogaine.
Answer: how dose hair grow on our heads No, your hair has a certain thickness according to your genes, and it will stay that way, even if you shave your head. Answer:Hair myth # 3 million debunked no, in fact it grows back slower and more sparsley even if you are not balding