Elite Runners' Gut Microbe Makes Mice More Athletic — Could It Help The Rest Of Us? Researchers identified a strain of bacteria that flourishes in the guts of athletes after exercise. When transferred to mice, it gave a big boost in endurance. Could runners' probiotics be on the way? Jonathan Lambert
They Thought This HIV Strategy Couldn't Work. But It Did An unprecedented 5-year study aimed to find out if the treatments to stop the spread of HIV in the West would work in sub-Saharan Africa. Joanne Silberner
Breaking The Booze Habit, Even Briefly, Has Its Benefits Tens of thousands of Instagram followers can't be wrong: Curiosity about the sober life is trending. Scientists say cutting out alcohol can improve your sleep and blood pressure, and help your liver. April Fulton
Alexa can tell if you’re going into cardiac arrest – and then call 911 Researchers at the University of Washington have taught smart devices how to correctly identify the staggered breathing of someone going into cardiac arrest while sleeping. Casey Martin
Missouri Refuses To Renew License For State's Last Abortion Provider The St. Louis facility will continue to provide abortions for now, however, because of a judge's order. Bobby Allyn
A Russian Biologist Wants To Create More Gene-Edited Babies A Moscow scientist claims he has a safe way of editing genes in human embryos — a method that could protect resulting babies from being infected with HIV. Approval of the experiment seems unlikely. Rob Stein
When Surgeons Are Abrasive To Coworkers, Patients' Health May Suffer A new study shows a link between how surgeons act around coworkers and their patients' outcomes. Turns out rudeness and other unprofessional behavior isn't just obnoxious, it may be dangerous. Susie Neilson
Florida Wants To Import Medicine From Canada. But How Would That Work? A bill that the governor signed this month would let Florida make bulk purchases of prescription drugs from Canada. It's now law but still faces big hurdles that could keep it from becoming reality. Selena Simmons-Duffin
Texas Cracks Down On Surprise Medical Billing Texas is the latest state to pass a law to shield patients from surprise medical bills. These bills are often sent to patients who unintentionally go out of network, sometimes in emergencies. Ashley Lopez
Pets, Pests, And Food: Our Complex, Contradictory Attitudes Toward Animals Does living with animals really make us healthier? Why do we eat some animals and keep others as pets? This week on Hidden Brain, we talk with psychology professor Hal Herzog about the contradictions embedded in our relationships with animals. Shankar Vedantam