The art and science of writing narrative reviews

In this age of evidence-based medicine, systematic reviews are considered the highest level of evidence. However, traditional narrative reviews continue to have an important role in medicine. While narrative reviews have inherent shortcomings in terms of nonstandardized literature search, potential bias in the appraisal of retrieved articles, and interpretation of findings, they serve as sources of quick up-to-date reference for specific areas of interest of readers. Well-conducted reviews could inform readers about gaps in existing literature and areas that need new primary research. Crafting a narrative review requires a blend of good scientific approach and the skillful art of presentation. This article aims to provide an overview of the need for narrative reviews and strategies to equip potential review authors complete an effective narrative review.