Men with osteoporosis or depression, women with heart attacks - these are examples of diseases where medicine still shows a gender bias. Assuming that men and women have the same bodies, except when it comes to the reproductive organs still causes maltreatment up to death. In the past few years sex- and gender-sensitive medicine has discovered that the assumption of the same body has lead to the unnecessary death of patients and needs to be challenged. This is a brief introduction into the paradigm shifting realm of sex- and gender-sensitive medicine showing how and where the sexes differ, that there are actually more than two sexes and that your gender also plays a role in how you are being treated by medical professionals.