This paper argues that all measurement is theory testing. Therefore, measurement always constitutes a tentative statement about the nature of reality. Some general implications of this perspective are ...

Researchers have developed a method for measuring overall fitness accurately on wearable devices -- and more robustly than current consumer smartwatches and fitness monitors -- without the wearer ...

Keeping glucose levels in a healthy range is a key part of diabetes management. A newer metric, known as Time in Range, helps ...