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PubMed Health

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What’s qualitative research? Check out our definition and links to studies on using these methods in clinical research: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0029369/ 
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Unsystematic reviews can mislead: without strict pre-set rules, authors could focus on studies they agree with and not include others. More information at: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025759/
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Randomization in clinical trials: what is it exactly, how can you look for it, and why does randomization matter? Our quick overview sheds light: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025810/
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Are you interested in systematic review research methods? Our blog introduces a new PubMed filter and more PubMed Health resources for researchers: http://www.ncbi.nlm.nih.gov/pubmedhealth/blog/2015/12/PubMed-filter-for-systematic-review-methods/
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PubMed Health now has systematic reviews from the Swedish health and social care assessment agency SBU (Swedish Council on Health Technology Assessment). Find out about topics already online and how to browse the SBU collection in our blog: http://1.usa.gov/1gjT5OV
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What are the best research and statistical techniques for systematic reviews and effectiveness research? That’s a subject researchers study too – and PubMed Health has expanded to include it. Find out more on our blog: http://1.usa.gov/1QmU1N6
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What’s the difference between incidence (new cases) and prevalence (existing ones)? Plus more info about prevalence: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0029371/
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Cohort studies: cohorts, birth cohorts – what exactly does it all mean? Check out our short descriptions: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0025833/
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Learn how to spot a common trap in information about early detection and screening. It’s called lead-time bias: https://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0050893/

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Check it out – we now have drug class entries in the PubMed Health glossary! What are drug classes, and how can this info help you in your everyday life? Find out on our blog: http://1.usa.gov/1G0iOC9
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Here’s a list of 5 questions to ask when you’re deciding how best to deal with a health problem: http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0016247/
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Could a test of grip strength predict risk of heart disease? Take a look behind recent headlines - and check out evidence on the effects of resistance training for different groups of people. http://1.usa.gov/rSGxQO
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All about reviews of clinical effectiveness research
Introduction

Information on conditions and treatments from the world's largest medical library. Find out what works.

PubMed Health specializes in reviews of clinical effectiveness research, with easy-to-read summaries for consumers as well as full technical reports. Clinical effectiveness research finds answers to the question “What works?” in medical and health care.

PubMed Health is a service provided by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM). The NLM is the world's largest medical library.

There are around 25,000 systematic reviews in PubMed Health, and more are added every week. A search on PubMed Health runs simultaneously in PubMed. A filter is used to identify all the indexed scientific articles at the NLM that might be systematic reviews. 

We gather free full text resources on understanding clinical effectiveness research and making health choices here on PubMed Health.

On G+ we will highlight selected systematic reviews, analyses of the science behind stories making headlines and new resources at PubMed Health. We're also on Twitter: @PubMedHealth.

We do not answer personal health questions. More on commenting policy:

To maintain a respectful dialogue, we've posted the guidelines of our comment policy below. In short:

Stay focused. All viewpoints are welcome, but comments should remain relevant to PubMed Health. 

Be respectful. Personal attacks, profanity, and aggressive behavior are prohibited. Instigating arguments in a disrespectful way is also prohibited. 

Tell the truth. Spreading misleading or false information is prohibited. 

No spam. Repeated posting of identical or very similar content in a counter-productive manner is prohibited — this includes posts aggressively promoting services or products. 



We retain the discretion to determine which comments violate our comment policy. We also reserve the right to remove and/or not allow comments to get posted. The views expressed within posted comments do not necessarily reflect those of the U.S. Department of Health and Human Services, or the federal government.

We recognize that the Web is a 24/7 medium, and your comments are welcome at any time. However, given the need to manage federal resources (i.e. - your tax dollars), moderating and posting comments should only be expected to occur during regular business hours.

Reporters are asked to send questions to the necessary media office through their normal channels and to refrain from submitting questions here as comments. Reporter questions will not be posted nor answered.

This comment policy is valid for all discussions on any HHS managed forum. Thank you for taking the time to review our comment policy. We encourage your participation in our discussion and look forward to an active exchange of ideas.

http://www.newmedia.hhs.gov/standards/comment_policy.html#comment