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Columbia Encyclopedia entry: baldness
Baldness, thinning or loss of hair as a result of illness, functional disorder, or hereditary disposition; also known as alopecia. Male pattern baldness, a genetic trait, is the most common cause of baldness among white males. It is carried by females, but they are rarely susceptible inasmuch as it develops under the influence of testosterone, a male sex hormone; women, however, may experience an overall thinning of the hair. Hair loss begins at the forehead and crown and is slowly progressive. Male pattern baldness may be cosmetically disguised by hair-follicle transplants. Drug treatments with minoxidil (Rogaine) or finasteride (Propecia) have been used with limited effectiveness.

Diseases characterized by high fever (e.g., scarlet and typhoid fevers), malnutrition, chemotherapy, and glandular disorders can all cause balding. Treatment of the disease or dysfunction will usually halt the loss of hair, and if the scalp and hair follicles are not severely damaged, hair will usually regrow spontaneously. Scalp infection, oiliness or dirtiness of the scalp and hair, and excessive teasing and lacquering of hair are also conducive to baldness. Alopecia areata is a disease of unknown origin characterized by noninflamed bald patches in the scalp hair and beard. It is recurrent but is usually of short duration.

Wikipedia search results for: Baldness
From Wikipedia, the free encyclopedia
Baldness involves the state of lacking hair where it often grows, especially on the head. The most common form of baldness is a progressive hair thinning condition called androgenic alopecia or "male pattern baldness" that occurs in adult male humans and other species. The amount and patterns of baldness can vary greatly; it ranges from male and female pattern alopecia, 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. Incidence of...more »
Columbia Encyclopedia search results: baldness
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  • bald cypress

    Bald cypress, common name for members of the Taxodiaceae, a small family of deciduous or evergreen conifers with needlelike or scalelike leaves and woody cones. Most species of the family are ...

  • Brasstown Bald

    Brasstown Bald, peak, 4,784 ft (1,458 m) high, N Ga., in the Blue Ridge of the Appalachian Mts., near the N.C. line. It is the highest point in Georgia.

  • silenus

    Silenus, in Greek mythology, part bestial and part human creature of the forests and mountains. Part of Dionysus' entourage, the sileni are usually represented as aged satyrs—drunken, jolly, b...

  • wig

    Wig, arrangement of artificial or human hair worn to conceal baldness, as a disguise, or as part of a costume, either theatrical, ceremonial, or fashionable. In ancient Egypt the wig was worn ...

  • sequoia

    Sequoia, name for the redwood (Sequoia sempervirens) and for the big tree, or giant sequoia (Sequoiadendron giganteum), both huge, coniferous evergreen trees of the bald cypress family, and fo...

  • White Bear Lake

    White Bear Lake, city (1990 pop. 24,704), Ramsey and Washington counties, SE Minn., on White Bear Lake; inc. 1922. It is a residential and resort suburb of Minneapolis–St. Paul. Chemicals, med...

  • Lock Haven

    Lock Haven, industrial city (1990 pop. 9,230), seat of Clinton co., N central Pa., on the West Branch of the Susquehanna River at the junction of Bald Eagle Creek, in an agricultural area; set...

  • Strasbourg, Oath of

    Strasbourg, Oath of, 842, oath sworn by Charles the Bald (later Holy Roman Emperor Charles II) and Louis the German in solemnizing their alliance against their brother, Emperor Lothair I. The ...

  • Mersen, Treaty of

    Mersen, Treaty of, 870, redivision of the Carolingian empire by the sons of Louis I, Charles the Bald (later Charles II) of the West Franks (France) and Louis the German of the East Franks (Ge...

  • Hincmar

    Hincmar, 806–82, Frankish canonist and theologian, archbishop of Reims (from 845). He was a supporter of Carolingian Emperor Louis I and a counselor of his son Charles II (Charles the Bald). A...

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