Both Fleischer and Ibrahim recommended wearing sunscreen regularly (applying liberally and reapplying often), avoiding the midday sun, seeking shade, wearing a wide-brimmed hat outside and covering up as much of your body as possible to lessen your sun exposure.
Though other factors can and do increase risk, "there's no question that the sun is the biggest risk factor for all types of skin cancer," Fleischer said.
The American Academy of Dermatology has more about skin cancer.
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