Confused about which terms to search? Tried searching terms you thought described your research interest, only to get screwey, off-target results? Try searching with Medical Subject Heading, or MeSH terms. MeSH terms are a controlled vocabulary used to describe medical topics across many article databases in the health sciences field. The brief video and tutorial below are both designed to help you: 1) understand the purpose and structure of the MeSH terms and 2) use MeSH to search for medical literature and information.