Skin cancer is the most common form of cancer worldwide, surpassing all other types combined in many regions. And yet, it's also one of the most preventable and treatable—especially when caught early. For most people, the conversation around skin cancer begins with something small and seemingly harmless: a mole. Moles, or nevi as they're medically known, are clusters of pigmented skin cells. Most of us have them—some since birth, others appearing over time. While most moles a
