Clinical research has always been the backbone of medical progress, providing the data and insights needed to develop new treatments, improve patient outcomes, and advance public health. Yet, the ...

In an era where nutrition advice seems to often shift with each new study, Bradley C. Johnston and fellow researchers at EvidenceBasedNutrition.org are working to bring consistency and rigor to how ...

Innovative statistical method helps determine ideal threshold times in restricted mean survival time analyses. The restricted mean survival time (RMST) analysis technique was introduced in health care ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

Dennis M. Gorman does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Alzheimer's disease affects millions of people around the world. To study this condition, researchers must peer inside the distinctive environment of the human brain. but for scientists to get the ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. The Pew-Knight Initiative supports new research on how Americans absorb civic ...