看看下邊的說明吧。很可惜，你這蠢貨想挑點毛病也找不對地方，哈哈。 別給黨幫了到忙。

你要是懂英文，自己去讀一下吧。
http://en.wikipedia.org/wiki/Saccharin#Saccharin_and_cancer

看這一段結論：
In 1991, after fourteen years, the FDA formally withdrew its 1977 proposal to ban the use of saccharin, and in 2000, the U.S. Congress repealed the law requiring saccharin products to carry health warning labels.