Baldness involves the state of lacking hair where it often grows, especially on the head. Baldness is not only a human trait. Baldness has, in recent years, become less of a (supposed) liability due to an increasing fashionable prevalence of very short, or even completely shaven hair among men, at least in western countries.
One theory, advanced by Muscarella and Cunningham, suggests baldness evolved in males through sexual selection as an enhanced signal of aging and social maturity, whereby aggression and risk-taking decrease and nurturing behaviors increase.
Beards and a full head of hair were seen as being more aggressive and less socially mature, and baldness was associated with more social maturity.
Baldness, or Alopecia, as your Doctor would call it, has several causes. Baldness usually appears in the front of the scalp and improves once the hair style is changed for a looser one. Baldness is an embarrassing problem and there is no treatment for several types of alopecias.
A common condition, alopecia areata usually starts as a single, quarter-sized circle of perfectly smooth baldness. Common conditions in this category are: telogen effluvium (rapid shedding after childbirth, fever, or sudden weight loss), and androgenetic hair loss (male-pattern baldness).
The amount and patterns of baldness can vary greatly; it ranges from male and female pattern alopecia (androgenic alopecia, also called androgenetic alopecia or alopecia androgenetic), alopecia areata, which involves the loss of some of the hair from the head, and alopecia totalis, which involves the loss of all head hair, to the most extreme form, alopecia universalis, which involves the loss of all hair from the head and the body.
Some balding men may feel proud of their baldness, feeling a kindred relationship with famous charismatic bald men, such as Bruce Willis, Vin Diesel, Jason Statham, Patrick Stewart, 'Stone Cold' Steve Austin, Michael Chiklis, Telly Savalas or Larry David.
Many companies have built a successful business selling products that reverse baldness, by allegedly regrowing hair, transplanting hair or selling hairpieces. The general public has become accepting of the shaved head as well, but female baldness is less socially acceptable.
As the term suggests, male pattern baldness follows a typical sequence or pattern. Initial thinning of hair progresses over a number of years and may lead to total baldness but more typically loss of hair over the top surface of the head.
Previously, early baldness of the androgenic type was thought to be sex linked dominant in males and to be sex linked recessive in females.
There are several other kinds of baldness: Traction alopecia is most commonly found in people with ponytails or cornrows who pull on their hair with excessive force. Worrisome hair loss often follows childbirth without causing actual baldness.
Increased understanding of the role of dihydrotestosterone (DHT) in male and female pattern baldness has led to targeted intervention to prevent this hormone from acting on receptors in the scalp.
There are many misconceptions about what can help prevent hairless, one of these being that frequent ejaculation may have an influence on MPB. The claim that frequent ejaculations can cause baldness is often viewed with skepticism.
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