chest hair
chest hair and its characteristics generally chest hair is the hair that grows on the chest of human males, in the region between the neck and the abdomen. Chest hair, which is considered as a secondary sex characteristic, develops during and after puberty. It is therefore part of the androgenic hair . chest hair Development and growth Although vellus hair is present in the area from childhood, the term chest hair is generally restricted to the terminal hair that develops as an effect of rising levels of androgens due to puberty. In contrast to women the body of men tends to be covered far more with terminal hair, particularly on the chest, the abdomen and the face. The development of chest hair begins normally during late puberty or can start between the age of 20 and 30 . The growth continues subsequently. In older adult years androgens cause thickening of the hair. chest hair Patterns and characteristics The individual occurrence and characteristics of chest hair depend on the horm...