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工具|膽固醇真的愈低愈好嗎?

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以下是為了能夠滿足段落所需的長度而定義的無意義內文,請自行參酌編排。

膽固醇是體內的重要元素。

 

「膽」汁不能沒有它,沒有它就不能分解重要油脂,你吃的魚肝油、omega3統統吸收不到。沒有膽固醇就沒有性荷爾蒙。沒有膽固醇,就沒有包在神經外層的髓鞘,神經傳導就要出問題,這時就可能出現神經系統的症狀。

 

由於維他命D跟膽固醇在肝臟裡分享了同一條合成路徑,因此如果打斷膽固醇合成,也會打斷活性維他命D的啟動(活性維他命D是真正能在體內運作的D)。我們都知道,沒有維他命D,鈣質就不能被吸收。鈣不能被吸收,骨質就要出問題。

 

所以,膽固醇真的愈低愈好嗎?最新研究發現,低密度膽固醇(LDL)低於70mg/dl的女人,比LDL指數在100-130mg/dl間的女人,得出血性中風的比例要高了一倍。

 

壓低膽固醇指數真有比較好嗎?比如,一個宣稱能降低低密度膽固醇60%的藥物,它卻完全沒有降低心血管疾病的死亡率。事實上,多年來積極降低膽固醇的努力,並沒有換來較低的心血管疾病死亡率。研究發現,天天吃降膽固醇藥物的人平均只比不吃藥的人多活了四天。可是,這類藥物的副作用卻很少被提及。

 

所以,我們是不是應該想想,膽固醇參考值愈低,到底是對大眾好?還是對藥廠的荷包好?

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