Saturday, March 8, 2008

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HAIR AND SCALP PROBLEMS
EAT PLENTY OF
Fruits and vegetables
Whole grains
Lean meat, fish, and poultry and low-fat dairy products

Baldness and dandruff are among the most pervasive hair scalp problems. Hair loss may be either the result of illness or a normal genetic response to testosterone, the male sex hormone. Dandruff-excessive scaling of the scalp-affects more than 50 percent of the population. It may be due to stress or a chronic or recurrent skin disorder, such as seborrheic dermatitis, but the most likely cause is infection by Pytyrosporum ovale fungus.
This fungus in found naturally on the scalp but some people are more affected by it than others.
It feeds on the skin’s naturally oils and causes irritation and shedding of deal skin.
Hair is composed of the protein keratin. Other nutrients that contribute to hair and scalp health include niacin, biotin, zinc, and vitamins A, B6 and C. A varied diet based on the basic food groups should provide ample amounts of these nutrients. Because hair is inert material, shampoos and rinses enriched with protein or other nutrients cannot affect hair growth or make hair “healthier”.

HAIR LOSS
A healthy human head has from 80,000 to 150,000 hairs, each of which passes through three phases of growth independently of all the others.
Although baldness is mediated by hormonal factors, it tends to run in families; your risk may be deduced from the number of bald males among members of both parent’s families.
Abnormal hair loss may be precipitated by metabolic disorders (including diabetes, thyroid disease, and crash diets); damage to hair shafts caused by harsh treatments; stress brought on by illness; hormonal changes of pregnancy; medical treatment, including; cancer chemotherapy; and very severe scalp disorders.

Hair loss due to stress or drug treatment is generally temporary. Hair that falls out during a crash diet soon regrows once nutrition returns to normal. Hair lost in patches usually grows back without treatment, but in some instances, corticosteroid injections may be needed.

DANDRUFF
Many people shed flakes of dandruff, especially in winter, when the scalp may be dry. But some people have a hereditary tendency to develop skin problems that are triggered by a sensitivity to specific foods. Because the offending food varies from one person to the next, the only reasonable advice is to avoid foods that seem to make dandruff worse. Some cases of dandruff may respond to flaxseed oil, which seems to help itchy skin conditions such as psoriasis and eczema.
To control mild dandruff, doctors usually recommend shampooring daily until the dandruff is under control, followed by twice weekly for maintenance. If these do not work well, shampoos that contain the antifungal medication ketoconazole can be tried.

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