Blood levels of testosterone and dihydrotestosterone in breast cancer

In concentration of testosterone and dihydrotestosterone in blood plasma was determined in 21 healthy females and in 37 patients with breast cancer. The method of competitive binding of tritium labelled testosterone and dihydrotestosterone by specifically binding beta-globulin was employed. It was found that healthy females fail to show any age variations in the concentration of the hormones under investigation in blood. In menopausal patients testosterone concentration tends to decrease in cancer dissemination.     

破译肥胖的密码

自打Kate Mose成为超模，近20多年，以瘦为美风靡全球。甭管男女老幼、是高是矮，似乎每个人都对自己身上这里或那里的肉肉心存怨恨，当然，胸部除外。但是，除了管住我们的嘴，在和平年代感受难民般的饥饿，又或是一咬牙一跺脚，任由自己成为“刀削”美人，真的没有别的办法让自己骨感一些吗？减肥咋就这么难？如今，全世界各国的女人们和科学家一起，开始了旷日持久的减肥方法大革新。今天，我们就给大家介绍一些个中翘楚，把减肥这个难题破解三分。[编者按]