Hormonal problems may cause hair loss. If your thyroid gland is overactive or underactive, your hair may fall out. This hair loss usually can be helped by treatment thyroid disease. Hair loss may occur if male or female hormones, known as androgens and estrogens, are out of balance. Correcting the hormone imbalance may stop your hair loss.
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 (androgenic alopecia, also called androgenetic alopecia or alopecia androgenetica), 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.
Alopecia or hair loss is the medical description of the loss of hair from the head or body, sometimes to the extent of baldness. Unlike the common cosmetic depilation of body hair, alopecia tends to be involuntary and unwelcome, e.g., androgenic alopecia.
The cause of alopecia areata is unknown, but it is thought to be an autoimmune condition (the body makes antibodies to its own hair) that may affect children or adults of any age. The affected persons are generally in excellent health. This type of hair loss usually causes totally smooth, round patches about the size of a coin or larger. Although rare, it can result in complete loss of scalp and body hair. In most cases the hair regrows; however, dermatologists treat many people with this condition in order to make hair regrow faster.
Some people prefer to let their baldness run its course untreated and unhidden. Others may cover it up with hairstyles, makeup, hats or scarves. And still others choose one of the medications and surgical procedures that are available to treat hair loss. Before pursuing any of these treatment options, talk with your doctor about the cause of and best possible treatments for your hair loss.
Telogen effluvium: This type of hair loss is usually due to a change in your normal hair cycle. It may occur when some type of shock to your system — emotional or physical — causes hair roots to be pushed prematurely into the resting state. The affected growing hairs from these hair roots fall out. In a month or two, the hair follicles become active again and new hair starts to grow. Telogen effluvium may follow emotional distress, such as a death in the family, or after a physiological stress, such as a high fever, sudden or excessive weight loss, nutritional deficiencies, surgery, or metabolic disturbances. Hair typically grows back once the condition that caused it corrects itself, but it usually take months.
Prevention can be accomplished only by early treatment. Sometimes what you think may be hair loss is actually just hair breakage from overuse of hair dryers, curling irons, dyes, and styling products.
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