PubMed is a free online database that provides access to a vast collection of scientific articles and research studies in the fields of medicine and life sciences. It is maintained by the National Library of Medicine and includes millions of citations from various journals, making it a valuable resource for healthcare professionals, researchers, and students. Users can search for specific topics, authors, or keywords to find relevant information quickly. In addition to articles, PubMed offers links to full-text content when available, as well as tools for saving searches and creating alerts. This platform helps users stay updated on the latest research findings and advancements in medicine, ultimately contributing to better healthcare practices and informed decision-making.