A Center study needs females to participate in a study investigating the effects of magnetic fields on the production of female reproductive hormones and melatonin. Participants must be 20-40, a resident of King or south Snohomish Counties, have regular menstrual periods, not be taking hormonal contraceptives, not have been pregnant or nursing within the last year and not be taking melatonin supplements. Time commitment is five to seven hours over three months. Payment is $100 upon study completion. Info: 206-667-7212.
