Hi, There are numerous ways to categorize hair loss. One must first examine the scalp to determine if the hair loss is due to the physical destruction and loss of hair follicles. If the scalp appears perfectly normal with plenty of empty hair follicles, this is called non-scarring hair loss. On the other hand, the follicles are permanently destroyed in scarring hair loss. Localized, small areas, large areas, or the whole scalp may be affected in scarring and non-scarring hair loss. Non-scarring hair loss can also be seen in situations where there is physical or chemical damage to the hair shaft resulting in breakage. Occasionally, it may be necessary to do a biopsy of the scalp to distinguish these conditions.
Hair-loss prevention depends on the underlying cause. Good hair hygiene with regular shampooing is a basic step but is probably of little benefit. Good nutrition especially adequate levels of iron and vitamin B, zinc is helpful. Treatment of underlying medical conditions like thyroid disease, anemia, and hormonal imbalances may useful in prevention.
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