Key told the meeting of the charity Cancer Research UK that other elements of diet linked to cancer are still unknown but scientists are hopping that the EPIC study, which is comparing the diets of 500,000 people in 10 countries and their risk of cancer, will provide some answer.
Early results of the study have revealed that Norway, Sweden and Denmark have the lowest consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at least five portions of fruit and vegetables a day is recommended to reduce the risk of cancer.
Key, principal scientist on the EPIC study, said it is looking at dietary links to some of the most common cancers including colorectal, breast and prostate. [卫生类C]
饮食,酒精与大约三分之一的癌症有关
一位重要的研究者在星期二说,饮食是仅次于吸烟的导致癌症的原因,在发达国家饮食和酒精导致了大约1/3的癌症。
牛津大学的提姆 凯博士在癌症会议上说,科学家们正在研究特定的食物是怎样导致癌症的,但是他们知道,饮食、酒精和肥胖起了很大作用。
他说:如果没有肥胖的人,癌症能够减少5%。
然而吸烟和大约30%的癌症有关,饮食和大约25%的癌症有关,酒精和大约6%的癌症有关。
肥胖增加了乳腺、子宫、肠和肾脏得癌症的危险,而人们知道酒精会导致嘴、喉咙和肝脏的癌症。以上因素如果和抽烟共同发生,危险性就会更大。
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