为什么加州prop 65说蜂胶致癌?? http://www.pureformulas.com/propolis-650mg-100-capsules-by-thom
网页底下有一句:
This product contains chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm.
买来到手的蜂胶上也贴了标签,也是这句话.
以前在别的州买蜂胶没有这个标签.
上网搜不到关于蜂胶致癌的链接
求解惑