Menstrual periods are painful: headaches, stiffness, and abdominal cramps make normal activities painful and even impossible; added to these discomforts are psychic problems; nervous and irritable, the woman frequently undergoes a state of semi alienation each month; central control of the nervous and sympathetic systems is no longer assured; circulation problems and some autointoxications turn the body into a screen between the woman and the world, a burning fog that weighs on her, stifling her and separating her: experienced through this suffering and passive flesh