Moles are a common type of skin growth. They typically seem as tiny, dark brown spots and are caused by clusters of pigmented cells.
Moles generally appear during childhood and adolescence. Most people have ten to forty moles, a number of which can modification in look or turn over time.
Most moles are harmless. Rarely, they become cancerous. Monitoring moles and different pigmented patches is a vital step in police work carcinoma, particularly skin cancer. The medical term for moles is nevi.