美国芝加哥的西北大学杰内迈·斯特牟拉教授的研究组,在英国《柳叶刀》周刊上发表研究报告称,吃菠菜和胡萝卜也许可以减少吸烟者得肺癌的危险。该教授等自1957年以来经过19年时间,对40至55岁的2107名男人进行了调查。有浓绿色叶子的蔬菜、萝卜以及黄色或红色的水果及蔬菜含有胡萝卜素,即含有可在体内变 A team from a research group led by Professor Jeneme Stem Moula of Northwestern University in Chicago reported in the Lancet Weekly newspaper that eating spinach and carrots may reduce the risk of lung cancer among smokers. The professor, who has spent the past 19 years since 1957, investigated 2,107 men aged 40 to 55. Vegetables with rich green leaves, radishes and yellow or red fruits and vegetables contain carotene, that is,