HAIR PROBLEMS

Hair, which is made up of dead cells filled with keratin (a protein found in nails and outer skin), grows from small pits in the dermis (the middle layer of skin just below the surface or epidermis). The pits, which are called hair follicles, cover most of the body, with certain areas having a heavier concentration than others. For example, the scalp has many hair follicles, while the soles of the feet have none.

Hair problems may be due to cosmetic causes, such as excessive shampooing and blow-drying, or due to underlying diseases, such as thyroid problems.

There are many forms of hair problems that require clinical care by a physician or other healthcare professional such as:

• White Hairs: Hair color is the result of pigmentation due to the presence of the chemicals of melanin and phaeomelanin. Human beings have many variations in hair color and hair texture.In general, the more melanin present, the darker the hair color; less melanin, the lighter the hair color. Usually the color of children's and adults' hair varies from pale yellow (blonde) to deep black. Hair may also come in more than one shade of color on one's head. As an example, the shade of one's hair color may change from a light shade to a darker one as time elapses.
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• Dandruff: Dandruff is a sloughing of the skin on the scalp that leads to white flakes on the head, neck, and shoulders.Dandruff is thought to be caused by a form of a skin condition called eczema, which causes increased shedding of normal scalp skin cells. Hormonal or seasonal changes may make dandruff worse. Common symptoms of dandruff include white, oily-looking flakes of dead skin in your hair and on your shoulders and an itchy, scaling scalp. Your scalp can be either excessively dry or oily.
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• Hair Falling: Every day, every one of us looses some hair. Our body then replaces it with some new strands as part of the many renewal processes that are built into our body systems. As we all age, 'the reappearance of new hair' event gradually slows down. This observable fact is more evident in men than women, whose 'male-pattern baldness is genetically determined and can begin as early as age 20. For women, hair normally thins after age 50, and considerable hair loss before that age is very rare.
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