Alan chooses not to wear sunscreen because the oils build up on his skin. What is Alan trying to prevent, and what is he failing to prevent?

Alan is avoiding sunscreen because he believes its oils may clog pores and cause acne. By not wearing sunscreen, however, he is failing to protect his skin from ultraviolet (UV) radiation, which can lead to skin cancer. Therefore, he is trying to prevent acne but failing to prevent skin cancer.

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