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.
Nelson KM, Carey KB, Scott-Sheldon LAJ, Eckert TL, Park A, Vanable PA, Ewart CK, Carey MP.Nelson KM, et al. Among authors: eckert tl.Ann Behav Med. 2017 Jun;51(3):416-422. doi: 10.1007/s12160-016-9865-x.Ann Behav Med. 2017.PMID: 27995548Free PMC article.