What toxins are these and why are they bad? The liver is quite capable at removing actual toxins and using that terminology makes you sound like a quack.
(2) is a valid point, but (1) should be entirely prevented by the FDA.
Many additives and colorants used in US food are banned in Europe for example. I wouldn't go as far as to call them toxins but they're at the very least suspected to be a net negative for the human body.
But again à lot of it is a question of dosage. A bottle of coke a week might not do much, a bottle a day and it's a whole other story.
All the things in their air and water (Quote from the article: "Wen Jiabao, a former prime minister, once said that water problems threaten “the very survival of the Chinese nation”.".
(2) is a valid point, but (1) should be entirely prevented by the FDA.