Remember the raging hormones, the emotional rollercoaster that was puberty. Perimenopause is a lot like that but in reverse. In Japan the menopause is called second spring Hormonal Imbalances Prior to puberty girls and boys are fairly similarly matched. Meaning that if they are the same height, build and weight they will have similar strength. As puberty hits both sexes get an increase in sex hormones. For boys it's an increase in testosterone, which promotes an increase in muscle mass. Girls...