THE MEDICAL NEWS |
Popis: from News-Medical.Net - Latest Medical News and Research from Around the World
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New sweating discovery reveals hidden limits of body cooling6:31 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. FDA-cleared medical AI rarely tested for real-world benefits6:31 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. More coffee, higher testosterone? This study found a more complicated picture6:31 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 SHBG-related patterns in men and more limited SHBG-related changes in women. Two distinct types of brain tissue work together to support cognition in older adults6:31 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 brain's short-range wiring may help soften the cognitive effects of gray matter loss. First 24 hours shape the body's antiviral defense response5:59 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. Parental loss doubles children's risk of mental health disorders5:59 A new, large-scale Curtin University study has found children who experience parental loss are twice as likely to develop a mental health disorder, compared to those living with both parents. New studies reveal hidden control hub for MYC-driven cancers5:59 In a rare pair of papers published back-to-back in the journal Genes & Development, research teams led by senior author Anindya Bagchi, PhD, associate professor in the Cancer Genome and Epigenetics Program at Sanford Burnham Prebys Medical Discovery Institute, establish a unified framework that governs one of cancer's most powerful master regulators. New model measures social drivers behind infectious disease outbreaks5:59 Influenza spreads in a crowded barracks or prison. Ebola proliferates when per-capita hospital beds plummet below the typical levels in developed countries. BMJ investigation exposes unhealthy food products at major UK school catering exhibition5:58 As the government prepares to introduce updated school food standards, an investigation by The BMJ finds that more than a third of the firms exhibiting at the UK's biggest school food show sell products high in fat, sugar or salt (HFSS). Intravenous iron before heart surgery cuts transfusion needs5:58 Giving intravenous iron to patients with anemia before heart surgery reduces the need for a red blood transfusion and results in an extra day at home in the first 90 days after surgery, finds a clinical trial published by The BMJ today. |