the effect of diet on learning of junior high school students in mashhad, north-east of iran

Introduction since nutrition, especially in childhood and adolescence is an important effect on intelligence and learning, so that malnutrition delayed to later periods of life, so that these people during the course of studies, will have many problems, this study was conducted to evaluate the effect of nutrition on student learning. materials and methods this study was a crosssectional study  that was conducted. the sle size was  all students that studying in a boarding school in  five district of  mashhadiran. the valid and reliable questionnaire, consisted of 19 questions and specialized feeding habits of the students. data were analyzed with spss13 software. results 90 students participated in the study guide. 48.9 % were second grade  and 51.1 % were third grade of  junior high school. 24.4% of students in their grade point average were between was between 1513 65.6%  were 1518 and also 10% of them their grade point average were between 1820. 67.8% of students said that they love so much sweetmeat and 61.1% of students with food, pickles and salt used as high. results showed that 38.8% of students had used too much salt in food, and on the other hand, 27.8% of students had used salt moderate. results showed that students who had a grade average lower, the consumption of fish, red and white  meat, green and orange vegetables and dairy products were lower than the other students (p <0.05). conclusion students who had better nutritional behavior (consumption of breakfast, fruits and vegetables and dairy products were more than the other students) had higher average scores than other students.