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What Is the Meaning of Body Moles?

Moles are skin growths that are usually brown or black in color and can be present anywhere on the body. Moles usually develop in the first 20 years of a person's life, with the most moles appearing during early childhood, says the National Cancer Institute (NCI). According to the NCI, most people have anywhere from ten to forty moles on their body by the time they reach full adulthood.

  1. Types

    • The two types of moles that can occur are known as congenital nevi moles and dysplastic nevi moles, states the NCI. Congenital nevi develop at birth and occur in approximately 1 percent of people. Dysplastic nevi are larger, irregularly-shaped and usually uneven in color.

    Warning

    • The NCI reports that while the majority of moles do not pose any risk, certain types of moles can be an indication of skin cancer and should be examined by a doctor.

    Identification

    • Moles which exhibit certain characteristics should raise concern and be examined, cautions the NCI. Moles that change in color, height, shape or size or moles that begin to itch, bleed or become tender should be evaluated by a dermatologist. Moles that develop after the age of 20 and moles that seem to change over time are of particular concern.

    Risk

    • Abnormal moles can be an indication of skin cancer. According to the NCI, nearly 70,000 new cases of skin cancer were diagnosed in 2008 and 9,000 people are expected to die each year as a result.

    Prevention

    • Ultraviolet (UV) radiation from the sun and tanning beds causes damage the skin and can lead to moles and skin cancer. To reduce the risk, the NCI advises avoiding tanning beds and direct sun exposure when possible. Sunscreen, protective clothing and sunglasses will provide protection against UV rays when sun exposure can't be avoided.

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