International Journal of Preventive Medicine (Int J Prev Med)2008-7802942018042119101910ENDepartment of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences & Students’ Scientifc Research Center, Tehran University of Medical Sciences, TehranDepartment of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences International Campus, TehranDepartment of Cellular and Molecular Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences & Pediatric Gastroenterology and Hepatology Research Center, Children’s Medical Center, Tehran University of Medical Sciences, Tehran & Dietitians and Nutrition Experts Team (DiNET), Universal Scientifc Education and Research Network (USERN), Tehran20180421<span class="fontstyle0">Dear Editor,<br />We have recently read with great interest the article, “Tumor cells growth and survival time with the ketogenic diet (KD) in animal models: A systematic review” that was written by Khodadadi </span><span class="fontstyle2">et al</span><span class="fontstyle0">.</span><span class="fontstyle0" style="font-size: 6pt;">[1] </span><span class="fontstyle0">The topic of the study is interesting and the authors tried to shed light on the probable beneficial effect of KD in cancer through retrieving animal studies. We would like to correct some aspects of this study.</span>http://ijpm.mui.ac.ir/index.php/ijpm/article/view/1910http://ijpm.mui.ac.ir/index.php/ijpm/article/download/1910/717717734