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在人体血液中胆固醇是一种正常存在的脂肪物质,对人体有许多有益作用。但是当血液中胆固醇含量过高时,它会沉积在血管壁上,使血管变窄,血液不易通过。严重时一些主要血管可以完全被堵塞,心脏血管变窄就会导致心脏病发作。
Cholesterol is a normal fatty substance in the human blood and has many beneficial effects on the human body. But when the blood contains too much cholesterol, it deposits on the walls of the blood vessels, narrowing the blood vessels and making blood difficult to pass through. Serious when some of the major blood vessels can be completely blocked, narrowing of the heart blood vessels will lead to heart attack.