Partial or complete loss of hair is also called
alopecia. Hair loss or baldness usually develops gradually and
may be patchy or diffuse (all over).
Roughly 100 hairs are lost 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 half an 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.
Both men and women tend to lose hair thickness and
amount as they age. Inherited or "pattern baldness"
affects many more men than women. About 25% of men begin to bald
by the time they are 30 years old, and about two-thirds are either
bald or have a balding pattern by age 60.
Hair loss can be a subtle metabolic disorder, or
related to persons with diabetes or cancer however, baldness is
not usually caused by a disease, but is related to aging, heredity,
and testosterone. It can also be triggered by a poor diet, especially
a deficiency in calcium, zinc and magnesium. In addition to the
common male and female patterns from a combination of these factors,
other possible causes of hair loss, especially if in an unusual
pattern, include:
· Hormonal changes (for example, thyroid
disease, childbirth, or use of the birth control pill)
· A serious illness (like a tumor of the ovary or adrenal
glands) or fever
· Medication such as cancer chemotherapy
· Excessive shampooing and blow-drying
· Emotional or physical stress
· Nervous habits such as continual hair pulling or scalp
rubbing
· Burns or radiation therapy
· Alopecia areata -- bald patches that develop on the scalp,
beard, and, possibly, eyebrows. Eyelashes may fall out as well.
This is thought to be an immune disorder.
· Tinea capitis (ringworm of the scalp)
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Runner knee is a quaint term for knee pain from running, but there is nothing cute about the inconvenience it brings. Some effective exercises for knee pain relief, includes, Wall slide, Bent-Leg Raises, Straight-Leg Raises, Hamstring Curl, and Stationary Bike.
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