Introduction: Iron is one of the most important elements forming the body and an essential metal for many biological processes in mammals. According to studies, anemia can cause numerous side effects in the body. Because of the effectiveness of iron in myelinated nerves, this illness can cause hearing loss and vision problems as well, and in students, it can even cause academic failure and learning problems and intensify behavioral disorders. Therefore, to collect the statistics of the prevalence of the disorder in order to inform parents, the present study was conducted to assess the prevalence of iron deficiency anemia in high school students in Iran using meta-analysis method.
Method: This study was continued in review form using the key words anemia, iron deficiency anemia, and anemia prevalence with a review of the articles in Pubmed, Iranmedex databases and Scientific Information Database of SID in related topics with 89 articles. Time domain for searching articles and related books and was mainly from 1991 onwards.
Results: Studies on the prevalence of iron deficiency anemia in high school students show different results. Recent statistics based on published articles at home and abroad show the prevalence of iron deficiency anemia equal to 10.6%, (with a 95% confidence interval: 9.7 to 11.5) until 2014.
Conclusion: The disease can cause hearing and vision disorders in adolescents. Moreover, it can cause academic failure and learning problems and intensify behavioral disorders in students. Given that children's health is an indicator of health planning of family for them, attention to the factors preventing iron deficiency anemia and its treatment is essential for students. Following this study, it is suggested that by correcting diet as the first step of prevention of catching this diseases, we take a step towards preventing it.
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