最近，英国科学家的项研究显示，日感香浓的巧克力含有一种特殊物质，其止咳效果比目前临床常用的镇咳药还要好。英国帝国理工学院的科学家在新期网络版美国《实验生物学联合会杂志》上报告说，他们将10名健康的志愿者分成3组进行研究。首先，他们让这3组志愿者分别服用常用镇 Recently, a British scientist’s research shows that the sweet and fragrant chocolate contains a special substance, its cough effect than the current clinical commonly used antitussive even better. Imperial College London scientists report in a new issue of the American Journal of Experimental Biology that the group of 10 healthy volunteers was divided into three groups to study. First, they let the three groups of volunteers take the common towns