Thank you for contributing to Wikipedia. Remember that when adding content about health, please only use high-quality reliable sources as references. We typically use review articles, major textbooks and position statements of national or international organizations (There are several kinds of sources that discuss health: here is how the community classifies them and uses them). WP:MEDHOW walks you through editing step by step. A list of resources to help edit health content can be found here. The edit box has a built-in citation tool to easily format references based on the PMID or ISBN. We also provide style advice about the structure and content of medicine-related encyclopedia articles. The welcome page is another good place to learn about editing the encyclopedia. If you have any questions, please feel free to drop me a note. Doc James (talk · contribs · email) 14:31, 22 April 2018 (UTC)
Hello. This is a message to let you know that one or more of your recent contributions, such as the edit you made to Substance abuse, did not appear constructive and has been reverted. Please take some time to familiarise yourself with our policies and guidelines. You can find information about these at our welcome page which also provides further information about contributing constructively to this encyclopedia. If you only meant to make test edits, please use the sandbox for that. If you think I made a mistake, or if you have any questions, you may leave a message on my talk page. Thank you. Natureium (talk) 23:27, 3 July 2018 (UTC)
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