The majority of antibiotic prescriptions for U.S. seniors and Black and Hispanic Americans are inappropriate, a new report reveals. For the study, researchers analyzed federal government data on more than 7 billion outpatient visits to doctors’ offices, hospital clinics and emergency departments nationwide between 2009 and 2016. Nearly 8 million visits (11%) led to antibiotic…  read on >  read on >

Genetic mutations build up faster in the brain cells of Alzheimer’s disease patients than in other people, new research reveals. The discovery could point the way to new Alzheimer’s treatments. DNA errors called somatic mutations can occur in brain cells as people age. The authors of this study compared somatic mutations in hippocampal and prefrontal…  read on >  read on >