International Journal of Preventive Medicine (Int J Prev Med)2008-78021432023040527862786ENCellular and Molecular Research Center, Gerash University of Medical Sciences, Gerash,20230405Dear Editor, The World Health Organization, abbreviated as WHO, is one of the United Nations agencies established on April 7, 1948, with the approval of the United Nations General Assembly.[1,2] The WHO is responsible for guiding, coordinating, and promoting the health of the world’s people within the framework of the United Nations. In fact, it provides control, organization, provision of consulting, diagnostic, control, and therapeutic measures and measures to countries around the world.http://ijpm.mui.ac.ir/index.php/ijpm/article/view/2786http://ijpm.mui.ac.ir/index.php/ijpm/article/download/2786/717718627