研究:女性服用钙补充剂增加患心脏病风险

More evidence is emerging that women who take calcium supplements to prevent bone deterioration may, in fact, be risking their heart health.
越来越多证据显示，女性服用钙补充剂预防骨质恶化，实际上危害到心脏的健康。

But even when added to previous studies with similar findings, the new conclusions don't necessarily mark a death knell for calcium supplements, say the authors of a study released online April 19 in the BMJ.
但即使加上先前研究的相似结果，新的结论也不能标志钙补充剂的终止信号，4月19日网上发表在《英国医学杂志》一个研究的作者说。

"There is a lack of consensus at the present time as to what recommendations should be regarding the use of calcium supplements," said study senior author Dr. Ian Reid, who fully expected that the new results will have a "significant impact on recommendations."
“关于服用钙补充品的建议，如今也没有达成共识。”这项研究的资深作者lan Reid博士称，他非常希望这些新的结果能“对钙补充剂的建议有重要作用”。

"Our own recommendation is to critically review the use of calcium supplements, since the data in this paper suggests that they do more harm than good," added Reid, who is professor of medicine and endocrinology at the University of Auckland in New Zealand.
“我们的建议是批判性地检测钙补充剂，因为报道数据显示出它们利大于弊。”Reid还说，他是新西兰奥克兰大学医学和内分泌学的教授。

"The cautious way forward seems to be to encourage people to obtain their calcium from the diet, rather than from supplements, since food calcium has not been shown to carry this increased risk of heart disease," Reid added.
“早期一个谨慎的方法是鼓励人们从饮食中获取钙，而不是从补充剂中获取，因为从食物中获取的钙不会增加患心脏病的风险。”Reid称。

A recent meta-analysis done by the same group of researchers found a 27 to 31 percent increased risk of heart attacks in women taking calcium without vitamin D.
最近同一组研究人员进行的一个元分析表明，女性服用不含维生素D的钙片患上心脏病的机率增加到27%——30%。

Many older women take calcium supplements with or without vitamin D to keep their bones strong, especially since that has long been standard medical advice.
许多老年女性服用含维生素D或不含维生素D的钙补充剂来保持骨骼强壮，尤其当它被认为是标准的医学建议开始。

But, as the current authors point out, more than half of the women in that study were already taking their own calcium supplements on top of what they had been prescribed for the trial, which may have clouded the results.
但是，如今作者指出，研究中超过一半的女性除了开给她们试验的药，她们已经在服用钙补充剂，这掩盖了研究结果。

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