MedlinePlus
Medical Encyclopedia: Hair loss
Hair loss usually develops gradually and may be patchy or all
over (diffuse). You lose roughly 100 hairs from your head every
day. The average scalp contains about 100,000 hairs. Each individual
hair survives for an average of 4 1/2 years, during which time
it grows about 1/2 inch a month. Usually in its 5th year, the
hair falls out and is replaced within 6 months by a new one. Genetic
baldness is caused by the body's failure to produce new hairs
and not by excessive hair loss . . .
MedlinePlus:
Hair Diseases and Hair Loss
Also called: Alopecia
Did you know that the average person has 5 million hairs? Hair
grows all over your body except on your lips, palms and the soles
of your feet. It takes about four months for healthy hair to grow
an inch. Most hairs grow for up to six years and then fall out.
New hairs grow in their place. Men - and some women - lose hair
as they grow older. You can also lose your hair if you have certain
diseases, such as thyroid problems, diabetes or lupus. If you
take certain medicines or have chemotherapy for cancer, you may
also lose your hair. Other causes are a low protein diet, a family
history or poor nutrition . . .
BBC
- Health - Womens health - Hair loss
Patterns of hair loss
One of the commonest forms of hair loss in women (and men) is
a condition called telogen effluvium, in which there is a diffuse
(or widely spread out) shedding of hairs around the scalp and
elsewhere on the body. This is usually a reaction to intense stress
on the body's physical or hormonal systems, or as a reaction to
medication . . .
Hair
loss - MayoClinic.com
Definition: Hair Loss
By Mayo Clinic staff
Your hair loss 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 scalp. Baldness typically refers to excessive
hair loss from your scalp and can be the result of heredity, certain
medications or an underlying medical condition. Anyone — men,
women and children — can experience hair loss . . .
Hair
Loss & Hair Restoration
People who notice hair falling out, thinning, or appearing in
large amounts on their comb or brush should consult a dermatologist.
With correct diagnosis, many people with hair loss can be helped.
A dermatologist will evaluate a patient's hair-loss problem to
find the cause so they can determine whether the problem will
resolve on its own or medical treatment is needed . . .
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Untitled Document
| Hair
Loss: Featured Article Normal
Hair Growth and Common Hair Loss
By Geno Marcovici
In adults
of both genders, the scalp is covered by approximately 100,000 terminal
hairs. Each of these hairs retains its own identity throughout the person's
lifetime.
Some Interesting
Facts About Hair: In adults of both genders, the scalp is covered by approximately
100,000 terminal hairs. Each of these hairs retains its own identity throughout
the person's lifetime.
In practical
terms, this means that each individual hair on one's scalp grows according
to its own schedule, rather than a single schedule affecting the entire
head of hair.
Evidence
of this fact can be readily appreciated by closely observing the scalp
of a clinically bald man.
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Here For Full Article
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