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.
Crichton M, Craven D, Mackay H, Marx W, de van der Schueren M, Marshall S.Crichton M, et al.Age Ageing. 2019 Jan 1;48(1):38-48. doi: 10.1093/ageing/afy144.Age Ageing. 2019.PMID: 30188972
Kammholz G, Craven D, Boodoosingh R, Akeli Amaama S, Abraham J, Burkhart S.Kammholz G, et al.Int J Environ Res Public Health. 2021 Mar 30;18(7):3587. doi: 10.3390/ijerph18073587.Int J Environ Res Public Health. 2021.PMID: 33808339Free PMC article.