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What Is Baldness?

It may have started with a few extra hairs in the sink or in your comb. But now you can't look in the mirror without seeing more of your uncovered scalp.

Anyone — including men, women and children — can experience hair loss. But baldness typically refers to excessive hair loss from your scalp and can be the result of heredity, certain medications or an underlying medical condition.

The medical term for hair loss is alopecia. The most common type is known as androgenetic alopecia or pattern baldness. It's typically permanent and can be attributed to heredity. In fact, about 95 percent of hair loss from the scalp is due to your inheritance.

Another type of alopecia, known as alopecia areata, is usually temporary. It affects approximately 2 percent of the population and can involve hair loss on the scalp or the body. Its specific cause is unknown.

No matter what causes baldness, the results can be traumatic. That may be why hair-growth schemes are among the most common medical scams. A quick Web search using the key word baldness turns up a multitude of wonder cures and treatments. But many products marketed to reverse baldness avoid regulation by the Food and Drug Administration (FDA) because they aren't considered drugs.

Still, FDA approved medications and surgical procedures are available to treat baldness. Before pursuing any of these options, be sure to talk with your doctor about the cause and best possible treatments for your hair loss.

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Signs and Symptoms

If you have androgenetic alopecia, you may experience hair loss as early as your teen years. For men, this type of baldness is typically characterized by hair loss that begins at the temples and the crown. The end result may be partial or complete baldness. Women with androgenetic alopecia usually have hair loss limited to thinning at the front, sides or crown. Complete baldness rarely occurs in women.


With alopecia areata, baldness usually occurs in small, round, smooth patches. You may lose only scalp hair, or you may lose body hair as well.


Causes

About 90 percent of the hair on most people's scalp is in a 4- to 5-year growth stage at any given time. The other 10 percent is in a 2- to 3-month resting phase, after which it is shed. Most people shed 50 to 100 hairs a day. Once a hair is shed, the growth stage begins again as a new hair from the same follicle replaces the shed hair. New hair grows at a rate of approximately 1/2 inch each month.

Hair loss may lead to baldness when the rate of shedding exceeds the rate of regrowth, when new hair is thinner than the hair shed or when hair comes out in patches.

Androgenetic alopecia is caused by heredity. Although it's most common among men, it can also affect women. A history of androgenetic alopecia on either side of your family increases your risk of balding. Heredity also affects the age at which you begin to lose hair and the speed, pattern and extent of your baldness.

Alopecia areata is classified as an autoimmune disease, but the cause of it is unknown. In fact, people who develop this type of baldness are generally in good health. A family history of alopecia areata makes you more likely to develop it. Unlike androgenetic alopecia, hair will generally grow back. But it may take several years.

Other causes of temporary hair loss include:
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Treatment

Baldness, whether permanent or temporary, can't be cured. But treatments are available to help promote hair growth or hide hair loss. For some types of alopecia, hair may resume growth without any form of treatment.

Medications

The effectiveness of medications used to treat alopecia depends on the cause of hair loss, the extent of the loss and individual response. Generally, treatment is less effective for more extensive cases of hair loss. The types of drugs currently approved by the FDA for treatment of alopecia include: Surgical procedures

Hair transplants and scalp reduction surgery are available to treat androgenetic alopecia. During transplantation a dermatologist or cosmetic surgeon takes tiny plugs of skin, each containing one to several hairs, from the back or side of your scalp. The plugs are then implanted into the bald sections. Several transplant sessions may be needed as hereditary hair loss progresses with time.

Scalp reduction, as the name implies, means decreasing the area of bald skin on your head. Your scalp and the top part of your head may seem to have a snug fit. But the skin can become flexible and stretched enough for some of it to be surgically removed. After hairless scalp is removed, the space is closed with hair-covered scalp. Doctors can also fold hair bearing skin over an area of bald skin in a scalp reduction technique called a flap. Scalp reduction can be combined with hair transplantation to fashion a natural looking hairline.

Surgical procedures to treat baldness are expensive and can be painful. A very small group of people who undergo these procedures experience chronic head pain afterward. There's a slight risk of infection. If you're interested in these procedures, consider only board-certified dermatologists, plastic surgeons or cosmetic surgeons, and check local and state medical boards for a record of patient complaints before choosing a doctor.

If you would like an alternative to medical treatment for your baldness or if you don't respond to treatment, you may want to consider wearing a wig or hairpiece. They can be used to cover either permanent or temporary hair loss. Quality, natural looking wigs and hairpieces are available.

Coping Skills

Chances are that your greatest challenge in losing your hair is to cope with the change in your appearance. You may be frustrated or upset by other people's reactions or after trying various treatments with little success. If you're having difficulty coping with baldness caused by heredity, a medical condition or medical treatments, you may find some of the following suggestions helpful: May 02, 2002