Alopecia Treatment, Understand the Causes of Alopecia (hair loss)
Men must understand the causes of Alopecia (hair loss) in order to choose the most effective Alopecia (hair loss) treatment.
Unless you are one of the 20 million women or 40 million men in the UK who are currently experiencing
alopecia or hair
loss, it is difficult to comprehend the emotions these individuals experience. Since most individuals many
people view their hair as an important part of their identity, even modest amounts of hair loss can represent
a source of anxiety and depression. Studies indicate that losing one's hair can take a heavy psychological
toll. The following section addresses the major causes of alopecia.
Normally,
individuals will lose on average between 40-100 hairs per day of the 100,000 hairs present on the scalp. During
any given time, 85-90 percent of an individuals hair is in the growing phase advancing in length by 1/2 -1
inch per month. Hair can continue to grow from 2-6 years, when the growth phase ends the hair follicle starts
a 2-6 month phase of resting and then shedding. Usually, only 10-15 percent of an individual's hair is in the
resting or shedding phase at any given time. Randomly, new hair follicles begin to replace the shedding follicles
producing a healthy cycle. However, in cases of Androgenetic Allopecia this natural cycle is disrupted.
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Primary Causes of Aolpecia (hair loss)
Ninety-five percent of hair loss is attributable to Androgenetic Alopecia, more commonly known as hereditary
hair loss or male pattern baldness. In men, the condition frequently progresses to the horseshoe fringe
of hair.
Several
hypothesis for this condition exist, however, most research of late has focused on a genetic predisposition
and the presence of dihydrotestosterone (DHT). Every hair has a genetic predisposition, the gene that determines
whether an individual will be susceptible to androgenetic alopecia is located on non-sex chromosomes that determine
the genetic makeup of all cells. Contrary to the popular myths concerning these genes they can be inherited
from either parent's relatives. Researchers believe that DNA is somehow responsible for the increased sensitivity
of hair follicles to the hormone DHT. This hormone results from the breakdown of testosterone by an enzyme
called alpha-5 reductase.
Propecia inhibits 5-alpha-reductase, thus blocking the formation of DHT. This has been proven to interrupt a key element in the development of Androgenic Alopecia. Therefore, men who use Propecia experience the growth of new hair follicles while Propecia stops alopecia or hair loss.
Men can now buy the most popular medication, Propecia, prescribed for the treatment of
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DHT, Primary Cause of Alopecia (hair loss)
DHT causes the hair follicle to atrophy, reducing in size until only vellus hair is produced. Vellus hairs
are short fine non-pigmented hairs which are difficult to see. As the diameter of the hair shaft continues
to decrease in size the sebaceous glands continue to secrete the same volume of sebum (fats and oils which
lubricate the hair). This results in an oily scalp and subsequently flatter hair. The process continues until
the vellus hair is no longer produced and individuals develop the characteristic hair loss pattern.
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Additional Types of Alopecia (hair loss)
Although the majority of hair loss is secondary to Androgenetic Alopecia there are other causes of hair loss that should be addressed including the following:
- Alopecia
Areata - represents a skin disorder wherein the body's autoimmune system
suddenly begins to attack the hair follicles. A sudden loss of hair from a small area is a common presenting symptom. The hair loss from Alopecia Areata is
typically seen in patches on the head and or body.
- Alopecia
Totalis - when the small patches in Alopecia Areata progress to
the complete
loss of of all the hair on the cranium.
-
Alopecia
Universalis - in rare or severe cases where
the small patches of hair loss found in Alopecia Areata spread throughout
the entire body.
- Traction Alopecia - is the loss of hair secondary to constant pulling as seen in tight ponytails, hair weaves, braids, etc.
Additional Causes of Alopecia (hair loss)
- High fever
-
is another cause of hair loss. Four to six weeks following a high fever or significant infection individuals
may notice a significant amount hair loss. This condition is self-limiting and reverses in most cases.
-
Nutritional
deficiencies - can be a rare cause of hair loss. Some vegetarians, individuals on fad diets, etc. who severely
limit their intake of proteins may lose a significant amount of hair. In protein deficiencies the body will
strive to save protein by shifting the hair follicles into the resting phase. Extensive hair loss is then demonstrated
several months later. Iron deficiency is also a rare cause of hair loss. The process is reversed with the proper
diet.
- Thyroid disease
- is
another cause of hair loss. Individuals with hyperthyroidism or hypothyroidism may experience hair loss. The
diagnosis is usually established by a patient's history combined with laboratory results. Hair loss associated
with a thyroid disorder is usually reversible with the proper medication.
-
Prescription
medications - can also cause hair loss. Some examples of medications that are known to cause hair loss include:
blood thinners, gout medications, anti-depressants, arthritic medications, hypertension medications, birth
control pills, high doses of vitamin A, chemotherapy/radiation, etc.
- Major surgery
- may
present excessive stress on the system that can cause hair loss. Hair loss is generally noticed one to three
months following the surgery. The condition will usually reverse itself unless the individual develops a chronic
illness.
- Pregnancy
- is a period when hormones can fluctuate considerably in women. While
pregnant women are not especially prone to lose hair. However, two to three
months post-partum, a significant number of hair follicles will enter the
resting phase. Some women will experience considerable hair loss during this
time for approximately one to six months. This condition is self-limiting
and reverses in most cases. Chemical
products such as dyes, bleaches, tints, straighteners, perms, chlorine, etc. can all damage hair and cause
hair loss. These products when used excessively can dry hair out causing it to break at the roots.
Effective Alopecia (hair loss) Treatment
More doctors recommend Propecia Alopecia (hair loss) treatment than any other treatment for Alopecia. Doctors also agree for the absolute best results you should begin your Alopecia (hair loss) treatment early. The earlier you begin your Alopecia treatment with Propecia the better the results.