An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
June KM, Norton KJ, Rees VW, O'Connor RJ.June KM, et al. Among authors: rees vw.Addict Behav. 2012 Jan;37(1):42-6. doi: 10.1016/j.addbeh.2011.07.039. Epub 2011 Aug 2.Addict Behav. 2012.PMID: 21862228Free PMC article.