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.
Tonstad S, Jaceldo-Siegl K, Messina M, Haddad E, Fraser GE.Tonstad S, et al.Public Health Nutr. 2016 Jun;19(8):1464-70. doi: 10.1017/S1368980015002943. Epub 2015 Oct 9.Public Health Nutr. 2016.PMID: 26450571Free PMC article.