对从小就被劝说要多喝牛奶以维持强健骨骼的几代美国人来说,这些报告引发了一些麻烦的问题:钙是不是其实并不太重要?钙补充剂是不是不安全?摄入钙量多少算超量?
'It's gotten very confusing but it doesn't need to be,' says Ethel Siris, director of the Toni Stabile Osteoporosis Center at Columbia University Medical Center in New York.
纽约哥伦比亚大学医学中心(Columbia University Medical Center)托尼•斯塔比尔骨质疏松研究中心(Toni Stabile Osteoporosis Center)主任西里斯(Ethel Siris)说,“问题变得令人非常费解,但其实不至于如此。”
The links to heart attack and kidney stones involved calcium supplements, not calcium from food sources, Dr. Siris and other experts note. Many other studies have not found such health risks, so more research is needed to understand what levels, if any, might be hazardous.
西里斯博士和其他专家指出,可能引起心脏病和肾结石的是钙补充剂,而不是从食物中获取的钙。许多其他研究并未发现这类健康风险,因此,若要了解钙摄入量过多是否会有危险以及达到多少可能会有危险,还需要做更多研究。
Meanwhile, experts say they are still more concerned that too many Americans aren't getting enough calcium, since the body can't make it on its own.
专家们同时也说,他们更担心的仍然是有太多美国人钙摄入量不足,因为人体无法自己制造钙。
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