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There is a sexual differentiation in the amount and distribution of androgenic hair, with men tending to have more terminal hair in more areas. This includes facial hair, chest hair, abdominal hair, leg hair, arm hair, and foot hair. (See Table 1 for development of male body hair during puberty.)
The first member of the genus Homo to be hairless was Homo erectus, originating about 1.6 million years ago. [6] The dissipation of body heat remains the most widely accepted evolutionary explanation for the loss of body hair in early members of the genus Homo, the surviving member of which is modern humans. [7] [8] [9] Less hair, and an ...
For example, Morris wrote that the intense human pair bond evolved so that men who were out hunting could trust that their mates back home were not having sex with other men, and suggested the possibility that sparse body hair evolved because the "nakedness" helped intensify pair bonding by increasing tactile pleasure.
Many treatments have been explored, including immunomodulatory agents such as imiquimod. [4] Tofacitinib citrate may also have benefits. In June 2014, a 25-year-old man with almost no hair on his body was reported to have grown a full head of hair, as well as eyebrows, eyelashes, and facial, armpit, and other hair, following eight months of treatment. [5]
Shaving is most commonly practiced by men to remove their facial hair and by women to remove their leg and underarm hair. A man is called clean-shaven if he has had his beard entirely removed. [1] Both men and women sometimes shave their chest hair, abdominal hair, leg hair, underarm hair, pubic hair, or any other body hair. [2]
4. The Mop-Top. This haircut works well for: Any type of hair loss. Those who prefer mid-length hair or a longer length to a short haircut. Men who want to make their hairline and scalp less visible
In alopecia areata, a hair follicle is attacked by the immune system. T-cells swarm the roots, killing the follicle. This causes the hair to fall out and parts of the head to become bald. Alopecia areata is thought to be a systemic autoimmune disorder in which the body attacks its own anagen hair follicles and suppresses or stops hair growth. [22]
Abdominal hair is the hair that grows on the abdomen of humans and non-human mammals, in the region between the pubic area and the thorax (chest). The growth of abdominal hair follows the same pattern on nearly all mammals, vertically from the pubic area upwards and from the thorax downwards to the navel .