Vitiligo is a skin depigmentation disorder of unknown etiology, without specific treatment.

白癜风是一种色素脱失性疾病，目前病因不明，缺乏特异性治疗。

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“The best treatment for straightforwardback pain without a specific diagnosis is reactivating yourself to whatyou normally do as fast as possible, ” Dr. Weinstein, the Spine editor, said.

韦恩斯特恩说：“如果你不想去接受专门的治疗，那么治疗背痛的最佳手段就是尽快按你平常所用的方法来自我恢复。”

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These symptoms last about four to seven days, and then go away without specific treatment in healthy people.

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