Photo of a Group of Women with Various Ages and Diverse Ethnicities (image) NIH/National Institute of Environmental Health Sciences Share Print E-Mail Caption The new study will allow participants to track their menstrual cycles and help researchers understand their relationship to other health-related conditions that affect women. Credit NIEHS Usage Restrictions For use with media coverage of this press release only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.