Two types of moles are more likely to present problems later in life: congenital nevi and dysplastic nevi. Congenital nevi are moles that are present at birth. They occur in about one in 100 people [source: WebMD].How many moles are in the human body?
According to the Mayo Clinic, scientists don’t understand why moles form or whether they have a purpose. However, it’s not uncommon for adults to have from 10 to 40 moles on their bodies, says the Cleveland Clinic. Most moles develop in childhood, but some develop later on.What do body moles mean?
Moles are very common, and most people have one or more. Moles are concentrations of pigment-producing cells (melanocytes) in your skin. People with light skin tend to have more moles. The technical name for a mole is nevus (plural: nevi). It comes from the Latin word for birthmark. The cause of moles isn’t well understood.