http://PMS1staid.net Anions or Negative Ions have health benefits including reduction/eliminatimg cramps, control or killing of bacteria (even mrsa) improving respitory function, help balance Hormonal system & PH, reduce or eliminate head aches/migraines, boost immune system, regulate blood pressure/circulation, eliminate Pre-menstrual syndrome PMS, painful menstruation, Dysmenorrhea, heavy flow, mood swings, odors, & irregularity oligomenorrhea