Endorsement Disclaimer - Links to Other Sites
Reference in this Web site to any specific commercial products, process, service, manufacturer, or company does not constitute its endorsement or recommendation by the U.S. Government or National Institutes of Health (NIH). NIH is not responsible for the contents of any "off-site" Web page referenced from this server.
Endorsement Disclaimer - Pop-Up Advertisements
When visiting our Web site, your Web browser may produce pop-up advertisements. These advertisements were most likely produced by other Web sites you visited or by third party software installed on your computer. The National Institutes of Health (NIH) does not endorse or recommend products or services for which you may view a pop-up advertisement on your computer screen while visiting our site.
The information provided using this Web site is only intended to be general summary information to the public. It is not intended to take the place of either the written law or regulations.
It is not NIH’s intention to provide specific medical advice to users of the NIH Web site, instead we provide users with information to help them better understand their health, diagnosed conditions, and the current approaches related to treatment, prevention, screening, and supportive care. NIH urges users to consult with a qualified health care professional for diagnosis and answers to their personal medical questions.
Press releases and other materials meant for public use will not be posted to the NIH Web site unless they were developed by or for NIH.
This site is maintained by the U.S. Government. It is protected by various provisions of Title 18, U.S. Code. Violations of Title 18 are subject to criminal prosecution in federal court.
For site security purposes and to ensure that this service remains available to all users, we employ software programs to monitor traffic to identify unauthorized attempts to upload or change information, or otherwise cause damage. In the event of authorized law enforcement investigations, and pursuant to any required legal process, information from these sources may be used to help identify an individual.
This page was last updated on Friday, January 7, 2022