Doctors cannot explain why one person will develop
melanoma and another person will not. However, we do know that melanoma is not contagious and that you cannot "catch" it from another person.
Research has shown that people with certain risk factors are more likely than others to develop melanoma. A risk factor is anything that increases a person's chance of developing a disease.
Risk factors for melanoma include:
- Unusual moles (dysplastic nevi)
- Several moles (more than 50)
- Exposure to natural sunlight
- Exposure to artificial ultraviolet light (for example, a tanning booth)
- Family or personal history of melanoma
- Severe sunburns
- Being Caucasian and older than 20 years of age
- Red or blond hair
- Weakened immune system
- White or light-colored skin and freckles
- Blue eyes
- Personal history of skin cancer
- Family history of dysplastic nevi or melanoma.