The fact that one of the phenomena that occurs in connection with menopause is the loss of muscle mass has been mentioned for some time. However, it was only recently that specialists from theUniversity of Minnesota Medical School discovered the exact mechanism of this phenomenon. It turns out that oestrogen deficits are responsible for the reduction of muscle cells in postmenopausal women - but the scientists not only succeeded in making this observation, they also found a way to prevent this problem.