The United States is facing a demographic shift as the population of older adults grows rapidly, with the proportion of ...

The importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research.

Research shows that heart attacks are becoming more prevalent among adults younger than 50—and the outcomes are worse for women. The good news is we know how to prevent them. Heart attacks, or ...

If you would categorize yourself as tall, lean, or lanky, you might be an ectomorph. It’s one of the three main body types, along with endomorph and mesomorph. While there is limited research to ...

Objectives: To produce an easily understood and accessible tool for use by researchers in diagnostic studies. Diagnostic studies should have sample size calculations performed, but in practice, they ...