A chemical that has been linked to cancer cell growth is being used by millions of Americans in toothpaste every day, it has emerged.
在成千上万的美国人每天使用的牙膏中,可能存在一种导致癌细胞增长的化学物质。
The company behind Colgate Total insists that triclosan, which it uses to stave off gum disease, is safe to use because the toothpaste was approved in 1997 by the Food and Drug Administration.
高露洁全效牙膏所属公司坚称其牙膏中含有的用来预防牙周病的名为三氯生的化学物质是安全的,因为该物质曾在1997年获得美国食品药品管理局(FDA)的批准可以用于牙膏。
But the toxicology documents used by the FDA to approve the toothpaste were only released early this year after a Freedom of Information Act lawsuit last year - and reveal the agency relied upon company-backed science to reach its conclusion, Bloomberg News reported.
但是彭博资讯社的报道称,FDA当时审核所依据的毒理学文件是去年一起信息自由法案的诉讼之后、在今年上半年才发布的,另外,FDA当时使用的医学论据来自于生产商有关的科研实验。
The 35-page report reveals the FDA had concerns that triclosan could increase the risk of cancer - but Colgate said the chemical was only problematic in large doses.
长达35页的报告显示FDA曾对三氯生可能存在的致癌性的担忧,但是高露洁公司则称三氯生只有在大剂量使用时才会出问题。
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