This 4-year-old's heart is failing. A federal grant that might help him was canceled A Cornell University researcher has been developing an artificial heart for children for more than 20 years. Now, his research is on hold and his lab is shut down. Elissa Nadworny
Former U.S. surgeons general call RFK Jr. a threat to the nation's health in op-ed Six former U.S. surgeons general issued a warning about Health Secretary RFK Jr., calling him a "threat." NPR's A Martinez speaks with one of them, former U.S. Surgeon General Richard Carmona. A Martínez
Scientist on front lines of overdose crisis receives MacArthur 'genius' award Nabarun Dasgupta, a researcher at the University of North Carolina at Chapel Hill, won a MacArthur Foundation "genius" grant for his work to understand the U.S. overdose crisis and help reduce deaths. Brian Mann
1 in 5 high schoolers has had a romantic AI relationship, or knows someone who has A national survey of students, teachers and parents shines a light on how the AI revolution is playing out in schools – including when it comes to bullying and a community's trust in schools. Lee V. Gaines
RFK Jr.'s new dietary guidelines could be controversial. Here's what to watch for The health secretary's affinity for saturated fat and his ire over ultraprocessed foods could influence federal food guidelines, expected out this fall. Allison Aubrey
A MacArthur 'genius' gleans surprising lessons from ancient bones, shards and trash Kristina Douglass wanted to find out the truth about how past communities adapted to environmental change. Her revelatory work has earned her a MacArthur award. Ari Daniel
Patients turn to 'gray market' for cheaper obesity drugs, but it's risky Patients who want a deeper discount on obesity meds than compounding pharmacies can offer are turning to the gray market, where they buy the raw active ingredient from China and prepare it themselves. Sydney Lupkin
Babies take a lesson from soldiers in the war against malaria Inspired by a military strategy to ward off disease-carrying mosquitoes, researchers see if the technique will help cut malaria infections in little ones. Jonathan Lambert
Psychiatrists call for RFK Jr. to be replaced as health secretary Two groups are calling for new leadership at HHS after Health Secretary Robert F. Kennedy Jr.'s actions on substance abuse treatment and mental health medications, among other issues. Rhitu Chatterjee
The CDC says people must consult a health professional before COVID shot The Centers for Disease Control and Prevention accepted a controversial recommendation from outside vaccine advisers to tighten guidelines for the COVID vaccine. Rob Stein