About Our Health Information Documents

Our Health Library (A-Z) features more than 2,000 original health documents written for patients and consumers. U.S. News & World Report ranks Cleveland Clinic among the nation's top hospitals.

All health documents on this website are based on the latest research and national treatment standards. All content is reviewed by Cleveland Clinic physicians and/or other respective medically trained professionals including, but not limited to, registered nurses, dietitians, and psychologists.

Terms of Use

All content on this website is copyrighted by The Cleveland Clinic Foundation. This content may not be reproduced by any means, either print or electronic, except as stated on this website.

Please note that content may not be edited or altered in any way and that The Cleveland Clinic copyright must remain in every article.

Attention: Please use this email address for inquiries about health information content only: healthcontent@ccf.org. We will not respond to sales offers or any solicitations.

Health Information Content Frequently Asked Questions

  1. May I edit or extract portions of the health information content?

    No, you may not.

  2. May I reproduce, display or transmit your content?

    You may only copy or print a single copy of our material for personal, non-commercial use only.

  3. May I upload or download your content?

    No, you may not.

  4. May I sell your content?

    No, you may not.

  5. May I use deep links/direct links to selected content?

    No, you may not.

  6. May I use your content/article as a reference?

    Yes, you may use our content as a reference IF you include proper citations.

  7. May I use your content for school projects?

    Yes, you may. However, you must limit it to a single use. If you use the content in print, you must also use proper citations.

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Can't find the health information you’re looking for?

This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition. This document was last reviewed on: 6/6/2017…#13091