Cholesterol: a waxy, fat-like substance present in every cell in the body and in many foods. Some cholesterol in the blood is necessary - but a high level can lead to heart disease.
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羽宁 (2005-10-18 13:20:44) 评论 (1)Cholesterol: a waxy, fat-like substance present in every cell in the body and in many foods. Some cholesterol in the blood is necessary - but a high level can lead to heart disease.