饮食中的脂肪和胆固醇过高。
从另外一方面讲，如果身体的胆固醇过高，血管可能硬化。
On the other hand, if the body has too much cholesterol, the excess begins to harden the arteries.
另外，一些研究已经表明阿尔茨海默病的危险因素之一就是胆固醇过高。
In addition, several studies have shown that high cholesterol is a risk factor for Alzheimer's disease.
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