Review articles summarize or synthesize content from earlier published research and are useful for surveying the literature on a specific research area. Review articles can lead you to original research articles.
Wall, D. (2016). Kin Recognition in Bacteria. Annual Review of Microbiology, 70(1), 143–160. http://doi.org/10.1146/annurev-micro-102215-095325
Mora-Ripoll, R. (2011). Potential health benefits of simulated laughter: A narrative review of the literature and recommendations for future research. Complementary Therapies in Medicine, 19(3), 170–177. https://doi.org/10.1016/j.ctim.2011.05.003
Locating an in-depth review related to your topic of interest, can be a good first step to finding relevant information. Look for literature reviews limiters in various databases, especially in science related databases.
In humanities database, reviews normally refer to the review of a book, play, or event and are not the same as a literature review.