Quit a GLP-1? Plan to start again? It's not recommended, but plenty of people do it A majority of people who start the obesity and diabetes medicines known as GLP-1s also quit them, and plan to restart again. Research hasn't yet shown the health impacts of cycling on and off the drugs. Yuki Noguchi
Historic decline in U.S. overdose deaths threatened by changing street drug supply Drug overdose deaths are plummeting in the U.S. in ways never seen before. Experts worry new, toxic "synthetic" street drugs could derail the recovery. Brian Mann
In Denver, choir for people with memory loss sparks joy A dementia diagnosis can be isolating, as people often retreat from activities they love.
You can order your own bloodwork now. Interpreting the results is another story Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands. The process often raises more questions for patients than it can answer. Kate Cunningham
Can red light therapy really deliver a beauty and health glow up? Here's the science Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype. Maria Godoy
The real space science behind 'Project Hail Mary' The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other scientists say about the basis for the amazing events of the film. Tara Haelle
The Great Green Wall's one of the world's most ambitious eco-projects. Is it working? It's a global effort with a multibillion dollar price tag. Among its aims: re-greening nearly 250 million acres, planting 4,000 miles of trees, helping farmers, creating jobs, sequestering carbon. Julie Bourdin
Gut troubles? This gastroenterologist has tips to help you achieve 'poophoria' In her new book You've Been Pooping All Wrong, Dr. Trisha Pasricha shares habits and practices to make your relationship with your solid waste as smooth as possible Andrea Muraskin
'How are you using AI?' Your therapist should ask you that question, experts argue A paper in JAMA Psychiatry says mental health providers should ask if patients are using artificial intelligence chatbots, just as they would ask patients about sleep habits and substance use. Rhitu Chatterjee
710,000 fewer babies were born last year in U.S. compared with two decades ago The U.S. fertility rate continued its slide to historic levels, due to plunging teen pregnancies and far more women delaying motherhood into their 30s and 40s. Brian Mann