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.
Guzek D, Nguyen D, Głąbska D.Guzek D, et al.Int J Environ Res Public Health. 2021 Mar 12;18(6):2925. doi: 10.3390/ijerph18062925.Int J Environ Res Public Health. 2021.PMID: 33809355Free PMC article.