Insulin treated patients with diabetes (type 1 or 2), and physicians involved in the treatment, management of diabetes and care of patients with diabetes.
It takes approximately six to eight weeks to grow enough hair for a fade or basic man's haircut after you shave your head. If you wish to grow your hair out longer, it will take an additional month for each 1/2 inch of growth.
On average a young man starts growing facial hair around 15 to 16 years of age. It starts in the fourth stage in Tanner's Stages of Puberty. Because boys start puberty at different ages and progress at different rates, it is considered normal to have facial hair as young as 11 or to not start developing facial hair until as late as 17. To estimate what stage of development you are in, see the Tanner Stage Calculator for Boys.