例如，单一不饱和脂肪被认为是一种健康的脂肪，因为它能降低总胆固醇和低密度胆固醇。

For example, monounsaturated fat is considered to be a healthy fat because it can reduce total cholesterol and LDL cholesterol.

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低密度脂蛋白，一种“有害的”胆固醇，是引发心脏病的危险因子，并且受饮食的影响巨大。

LDL lipoproteins, the "bad" cholesterol, are a risk factor for heart disease, and greatly influenced by what you eat.

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