There are many studies conducted on how many melanoma incidents over time increases especially to arid countries. The factors are as follows:

• Too much exposure in the sun
• Frequent tanning or engaging the same activity
• Living in arid places or with hot climates
• Frequent sunburns
• Genetically history of melanoma from relatives or families with the same medical
• condition
• Having multiple birthmarks or moles
• Close relatives with a history of melanoma
• Low immune system due to existing illness like AID, cancer, etc.
• Having fair skin that freckles easily
• Ultraviolet radiation