Int. J. Low Radiation, Vol. 3, Nos. 2/3, 2006 171 Copyright © 2006 Inderscience Enterprises Ltd. High natural background radiation areas in Ramsar, Iran: can inhabitants feel safe? Ali Shabestani Monfared* Department of Medical Physics Babol University of Medical Sciences Babol, Iran E-mail: monfared_ali@yahoo.com *Corresponding author Farzad Jalali Department of Internal Medicine and Cardiology Babol University of Medical Sciences Babol, Iran E-mail: sfjalali@yahoo.com Sadegh Sedaghat Department of Oncology Babol University of Medical Sciences Babol, Iran E-mail: sedaghat@yahoo.com Esmail Mansoorizade Babol University of Medical Sciences Babol, Iran E-mail: mansoorizade@yahoo.com Alireza Mosavi Jarrahi Department of Epidemiology Shahid Beheshti University of Medical Sciences Tehran, Iran E-mail: mousavijarrahi_a@yahoo.com Mahmood Hajiahmadi Department of Social Medicine Babol University of Medical Sciences Babol, Iran E-mail: hajiahmadi@yahoo.com