Medical databases are organized collections of health-related information that help healthcare professionals, researchers, and policymakers access and analyze data. These databases can include patient records, clinical trial results, and epidemiological studies, providing valuable insights into diseases, treatments, and healthcare trends. They play a crucial role in improving patient care and advancing medical research. Examples of medical databases include PubMed, which focuses on biomedical literature, and ClinicalTrials.gov, which lists ongoing clinical trials. By utilizing these resources, users can make informed decisions based on the latest evidence and findings in the medical field.