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What causes stage 1 melanoma?

Stage 1 melanoma is caused when melanoma progresses and begins to spread from the epidermis (the top layer of skin) to the dermis (the middle layer of skin). Though the specific cause of melanoma is unknown, it appears that melanoma develops when there are problems with the DNA that controls skin cells. In people with melanoma, DNA is damaged and causes an overgrowth of skin cells, which results in a cancerous melanoma. Although it's not proven that ultraviolet (UV) light causes melanoma, skin that is exposed to UVA and UVB radiation from sun exposure or tanning beds seems to be most vulnerable to damage.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.