New sweating discovery reveals hidden limits of body cooling

by rss feed | Aug 20, 2026 | News Feeds

The purpose of perspiration was a mystery in 1775, when English physician Charles Brian Blagden and a few inquisitive friends experimented on themselves by spending time in rooms heated to over 230° Fahrenheit. Read Original...

FDA-cleared medical AI rarely tested for real-world benefits

by rss feed | Aug 20, 2026 | News Feeds

A new analysis shows that, of 1,357 artificial intelligence (AI)-based medical devices authorized by the U.S. Food and Drug Administration (FDA) for use in patient care, only three had been tested on whether they actually improve patients' health. Read Original...

More coffee, higher testosterone? This study found a more complicated picture

by rss feed | Aug 20, 2026 | News Feeds

Higher habitual coffee intake was associated with a leaner body composition, lower circulating branched-chain amino acids, and distinct cardiometabolic patterns in 2,264 middle-aged Finnish adults. Hormonal associations differed by sex, with broader testosterone- and...

Two distinct types of brain tissue work together to support cognition in older adults

by rss feed | Aug 20, 2026 | News Feeds

Researchers from the Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have found that two distinct types of brain tissue work together to support cognition in older adults, and that the health of the...

First 24 hours shape the body’s antiviral defense response

by rss feed | Aug 20, 2026 | News Feeds

Age, genetics and lifestyle are known to influence how people respond to viral infections. Scientists also know that differences in immune response play an important role, but exactly how these factors shape the course of an infection has remained unclear. Read...