臉色成菜色主要是beta-carotene 過多引起的。以前貧困地區以地瓜為主食的民眾,健康狀況普遍不行。
臉色成菜色主要是beta-carotene 過多引起的。以前貧困地區以地瓜為主食的民眾,健康狀況普遍不行。
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