摄入足够数量硼可以预防前列腺癌
硼是一种广泛存在于水果和果仁中的元素，最近在美国奥兰多召开的实验生物学2001年年会上发布的一项研究结果显示，男性在饮食中摄入足够数量硼元素可以降低前列腺癌的发病风险。
该研究由美国加利福尼亚大学洛杉矶分校公共卫生学院的张卓芬(音译)博士领导。研究人员对76名被确诊患有前列腺癌的男性的饮食习惯与7,751名健康男性做了对比。健康男性来自美国国家健康和营养调查参与者。所有研究对象都要回忆过去一天中自己的饮食情况，然后研究人员根据他们饮食中硼的含量，将他们分成四个组来分析。
分析结果发现，硼摄入量最高的一组男性患前列腺癌的危险性减少了64%；硼摄入量第二的一组男性危险性减少了35%；而摄入量第三的一组男性则仅仅只减少了24%。张博士说，食物和饮料中硼的含量越丰富，患前列腺癌的危险性减少的幅度就越大。硼的这种保护性作用不受其他危险因素如年龄、吸烟、肥胖和种族的影响。但硼不能预防其他的癌症。
, 百拇医药 张博士利用硼元素营养健康数据库来判断硼元素的摄取情况。他指出，该研究结果只是建立在对一小部份的前列腺癌症患者的研究基础上。因此，需要做更多的研究来进一步验证这一发现。
硼元素营养健康数据库由加里福尼亚南部城市科斯拉梅萨的食品研究有限公司专门为为世界卫生组织(WHO)建立，里面收集了硼元素在美国，英国，德国，肯尼亚和墨西哥的摄入对比资料。公司总裁沙琳·雷尼认为，硼摄入量最多的一组男性平均每天吃3.5份富含硼的水果和1份含硼的果仁，一份含硼果仁相当于一撮花生或杏仁。其他富含硼元素的食物包括葡萄、干果、鳄梨、红酒和葡萄汁。
High Boron Intake May Cut Prostate Cancer Risk
WESTPORT, Conn. (Reuters Health) - New study findings suggest that men who consume high levels of boron--an element found in fruits and nuts--reduce their risk of prostate cancer. The results of the study were presented at the Experimental Biology 2001 meeting this week in Orlando.
, 百拇医药
Dr. Zuo-Fen Zhang from the University of California-Los Angeles School of Public Health compared the diets of 76 men diagnosed with prostate cancer to the diets of 7,751 healthy males. The healthy men were participants in the National Health and Nutrition Examination Study. All of the men completed 1-day dietary recall surveys.
Zhang said that when the men were divided into four groups, or quartiles, based on their consumption of boron, the men in the highest-consumption group had ``a 64% lower risk of developing prostate cancer.‘‘
, 百拇医药
In an interview with Reuters Health, Zhang said it appears that the more boron-rich foods and beverages consumed, the greater the risk reduction. Men in the second quartile had a 35% reduction in risk, while those in the third quartile reduced their risk by 24%.
He said the protective effect of boron was independent of other risk factors such as age, smoking, obesity and race. ‘‘When we looked at other cancers, there was no protection associated with boron,‘‘ Zhang added.
, 百拇医药
Charlene Rainey, president of Food Research Inc. of Costa Mesa, California, developed a boron nutrition database for the World Health Organization (news - web sites) in which she compared boron intake in the United States, United Kingdom, Germany, Egypt, Kenya and Mexico. Rainey said Zhang used this database to estimate boron intake based on the dietary recall surveys.
``It looks like 3.5 servings of boron-rich fruits and one serving of nuts a day would put men in the top quartile,‘‘ Rainey said in an interview with Reuters Health. She said that one serving of nuts is the equivalent of ``a handful of peanuts or almonds.‘‘ Other good boron sources include grapes, dried fruits, avocados, red wine or grape juice, Rainey said.
Zhang cautioned that the study results are based on a small number of prostate cancer cases, so the finding will have to be confirmed in a larger study., 百拇医药
该研究由美国加利福尼亚大学洛杉矶分校公共卫生学院的张卓芬(音译)博士领导。研究人员对76名被确诊患有前列腺癌的男性的饮食习惯与7,751名健康男性做了对比。健康男性来自美国国家健康和营养调查参与者。所有研究对象都要回忆过去一天中自己的饮食情况，然后研究人员根据他们饮食中硼的含量，将他们分成四个组来分析。
分析结果发现，硼摄入量最高的一组男性患前列腺癌的危险性减少了64%；硼摄入量第二的一组男性危险性减少了35%；而摄入量第三的一组男性则仅仅只减少了24%。张博士说，食物和饮料中硼的含量越丰富，患前列腺癌的危险性减少的幅度就越大。硼的这种保护性作用不受其他危险因素如年龄、吸烟、肥胖和种族的影响。但硼不能预防其他的癌症。
, 百拇医药 张博士利用硼元素营养健康数据库来判断硼元素的摄取情况。他指出，该研究结果只是建立在对一小部份的前列腺癌症患者的研究基础上。因此，需要做更多的研究来进一步验证这一发现。
硼元素营养健康数据库由加里福尼亚南部城市科斯拉梅萨的食品研究有限公司专门为为世界卫生组织(WHO)建立，里面收集了硼元素在美国，英国，德国，肯尼亚和墨西哥的摄入对比资料。公司总裁沙琳·雷尼认为，硼摄入量最多的一组男性平均每天吃3.5份富含硼的水果和1份含硼的果仁，一份含硼果仁相当于一撮花生或杏仁。其他富含硼元素的食物包括葡萄、干果、鳄梨、红酒和葡萄汁。
High Boron Intake May Cut Prostate Cancer Risk
WESTPORT, Conn. (Reuters Health) - New study findings suggest that men who consume high levels of boron--an element found in fruits and nuts--reduce their risk of prostate cancer. The results of the study were presented at the Experimental Biology 2001 meeting this week in Orlando.
, 百拇医药
Dr. Zuo-Fen Zhang from the University of California-Los Angeles School of Public Health compared the diets of 76 men diagnosed with prostate cancer to the diets of 7,751 healthy males. The healthy men were participants in the National Health and Nutrition Examination Study. All of the men completed 1-day dietary recall surveys.
Zhang said that when the men were divided into four groups, or quartiles, based on their consumption of boron, the men in the highest-consumption group had ``a 64% lower risk of developing prostate cancer.‘‘
, 百拇医药
In an interview with Reuters Health, Zhang said it appears that the more boron-rich foods and beverages consumed, the greater the risk reduction. Men in the second quartile had a 35% reduction in risk, while those in the third quartile reduced their risk by 24%.
He said the protective effect of boron was independent of other risk factors such as age, smoking, obesity and race. ‘‘When we looked at other cancers, there was no protection associated with boron,‘‘ Zhang added.
, 百拇医药
Charlene Rainey, president of Food Research Inc. of Costa Mesa, California, developed a boron nutrition database for the World Health Organization (news - web sites) in which she compared boron intake in the United States, United Kingdom, Germany, Egypt, Kenya and Mexico. Rainey said Zhang used this database to estimate boron intake based on the dietary recall surveys.
``It looks like 3.5 servings of boron-rich fruits and one serving of nuts a day would put men in the top quartile,‘‘ Rainey said in an interview with Reuters Health. She said that one serving of nuts is the equivalent of ``a handful of peanuts or almonds.‘‘ Other good boron sources include grapes, dried fruits, avocados, red wine or grape juice, Rainey said.
Zhang cautioned that the study results are based on a small number of prostate cancer cases, so the finding will have to be confirmed in a larger study., 百拇医药