FACTOID # 14: North Carolina has a larger Native American population than North Dakota, South Dakota and Montana combined.
 
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Encyclopedia > Moles and dysplastic nevi

A mole is a small spot of darkened pigment on the skin, which forms where there is a high concentration of melanin.


Moles are usually circular or oval and not very large. Most children are born with moles, and almost everyone has at least one or two moles on their bodies, some more than others.


Sudden and unexpected changes in skin moles (e.g. bleeding, irritation, darkening, sudden growth) can be a sign of skin cancer so they need to be watched carefully. If a mole appears suspicious, it can be biopsied and checked for signs of malignancy.


  Results from FactBites:
 
Moles: Encyclopedia of Children's Health (1162 words)
Moles that are present at birth are called congenital nevi.
Most moles are benign (not cancerous), but atypical moles (dysplastic nevi) may develop into malignant melanoma, a potentially fatal form of skin cancer.
The cause of moles is unknown, although atypical moles seem to run in families and result from exposure to sunlight.
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