资讯
In 1950, federal officials endorsed water fluoridation to prevent tooth decay, and they continued to promote it even after fluoride toothpaste brands hit the market several years later.
The biggest stories of the day delivered to your inbox.
One seeks to ban activities classified as weather modiciation, and the other is a piece of legislation that will restrict fluoride use in water sources throughout the state, among other farm ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果