Salmon farming is very polluting: Thousands of fish are crammed into pens, which leads to the growth of diseases and parasites that require antibiotics and pesticides.
三文鱼养殖业污染很严重：几千条鱼塞进鱼塘后，会导致病害和寄生虫的增加，就必须使用抗生素和杀虫剂。
2
They found that 180 meat eaters developed blood cancers, while 49 vegetarians developed the diseases and 28 fish eaters.
他们发现有180位肉食者患上血液癌症，而只有49位素食者和28位吃鱼肉的人患上此类病症。
3
Such restriction has been shown to reduce risk factors for several chronic diseases in animals and humans and to increase life span in rats, mice, fish, flies, worms and yeast.