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're connecting to the official website and that any information you provide is encrypted and sent securely.
If you are a Veteran in crisis or concerned about one, connect with our caring, qualified responders for confidential help. Many of them are Veterans themselves.
Randomized controlled trials: The gold standard for evaluating the effectiveness of interventions in older adults
Weinberger M. Randomized controlled trials: The gold standard for evaluating the effectiveness of interventions in older adults. Contemporary Gerontology. 2004 Dec 1; 10:145-147.