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.
Everson SA, Matthews KA, Guzick DS, Wing RR, Kuller LH.Everson SA, et al. Among authors: wing rr.Health Psychol. 1995 Sep;14(5):435-43. doi: 10.1037//0278-6133.14.5.435.Health Psychol. 1995.PMID: 7498115