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.
Heggen E, Klemsdal TO, Haugen F, Holme I, Tonstad S.Heggen E, et al.Metab Syndr Relat Disord. 2012 Dec;10(6):437-42. doi: 10.1089/met.2012.0012. Epub 2012 Aug 13.Metab Syndr Relat Disord. 2012.PMID: 22889406Clinical Trial.
Heggen E, Svendsen M, Klemsdal TO, Tonstad S.Heggen E, et al.Nicotine Tob Res. 2016 Jun;18(6):1440-8. doi: 10.1093/ntr/ntv164. Epub 2015 Aug 4.Nicotine Tob Res. 2016.PMID: 26242289Clinical Trial.
Svendsen M, Heggen E, Klemsdal TO, Tonstad S.Svendsen M, et al. Among authors: heggen e.Clin Obes. 2021 Jun;11(3):e12447. doi: 10.1111/cob.12447. Epub 2021 Mar 9.Clin Obes. 2021.PMID: 33751845Clinical Trial.