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The individual occurrence and characteristics of chest hair depend on the genetic disposition, the hormonal status and the age of the person. The genes primarily determine the amount, patterns and thickness of chest hair. Some men are very hairy, while others have no chest hair at all. All ranges and patterns of hair growth are normal.
Due to natural variation, individuals pass through the Tanner stages at different rates, depending in particular on the timing of puberty.Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner. [5]
Vellus hair grows on the chest and abdomen of both sexes at all stages of development. During the final stages of puberty and extending into adulthood, men grow increasing amounts of terminal hair over the chest and abdomen areas. Adult women can also grow terminal hairs around the areola, though in many cultures these hairs are removed.
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What do having a singing career, shipping cargo overseas, starting a business, and jumping out of a helicopter over the Grand Canyon have in common? Insurance policies help us tackle risk and make ...
Growth of body hair, including underarm, abdominal, chest hair and pubic hair. [17] [18] Growth of facial hair. [18] Enlargement of larynx (Adam's apple) and deepening of voice. [18] [19] Increased stature; adult males are taller than adult females, on average. [18] Heavier skull and bone structure. [18] Increased muscle mass and strength. [18]
The original hair type chart, also known as the hair typing system, was created by Andre Walker, Oprah Winfrey's hairstylist, in the 1990s. He debuted the system on Winfrey's show to promote his ...