Health

By Brenda Goodman, CNN (CNN) — Sugary foods combined with antibiotic treatment can damage the gut microbiome in ways that could leave people vulnerable to dangerous infections, a new study shows. The new research, published Wednesday in the journal Nature, took advantage of a natural experiment: It looked at what happened to gut bacteria in

By Katia Hetter, CNN (CNN) — Sudden unexpected infant death claimed the lives of about 3,400 babies in the United States in 2024. Despite decades of public health efforts to promote safer sleep, these deaths remain a major cause of mortality during infancy. A new report from the US Centers for Disease Control and Prevention

By Deidre McPhillips, Meg Tirrell, CNN (CNN) — The Pennsylvania Department of Health reported a fifth measles-associated death on Wednesday amid an ongoing outbreak that is on track to become the largest the US has seen in decades and has sparked political clashes. The state health department said the person who died was unvaccinated and

By Jack Guy, CNN (CNN) — There is a link between the amount of time children spend on screens and their development, a new study shows, with poorer outcomes seen in learning, speech and emotional regulation among those who spend longer on them. Researchers reviewed decades of research on the impact of screen time on

Text by Madeline Holcombe, and video by Bryce Urbany, CNN (CNN) — One thing that seems to unite people is how isolated they feel. As many as 1 in 5 adults in the United States reported feeling loneliness “a lot of the day” in 2024, and the country continues to experience what experts have called

CNN Text by Madeline Holcombe, and video by Bryce Urbany, CNN (CNN) — One thing that seems to unite people is how isolated they feel. As many as 1 in 5 adults in the United States reported feeling loneliness “a lot of the day” in 2024, and the country continues to experience what experts have

By Kristen Rogers, CNN (CNN) — Despite increasing awareness about mental health, suicide is often still heavily stigmatized and therefore concealed in various ways. Many people keep their suicidal thoughts to themselves, and families writing obituaries often obscure the cause of death when it’s suicide. Even friends and family who want to help may not

By Dr. Jill Grimes, CNN (CNN) — After years of caring for college students as a physician, plus raising two of my own, I have learned that many things that derail the college experience are surprisingly predictable. Most are preventable — or at least fixable — if students know what to expect. While these are

By Meg Tirrell, CNN (CNN) — One day in 2008, when she was in her early 20s, Jaimie Krems stumbled across Gchat messages between one of her closest friends and her housemate. They’d been written on her own computer, which her housemate had borrowed, and it turned out the two had been talking all about

By Katia Hetter, CNN (CNN) — Going without sleep makes it harder to concentrate and learn new information. And for people who work overnight or face an occasional period of severe sleep loss, getting enough rest may not always be possible in the moment. Can anything help us focus besides sleep? A recent study published

By Amanda Schupak, CNN Kids who have their own smartphones at age 12 are more likely to develop eating disorder symptoms than their peers without the devices, according to a new study. The research, published Friday in the medical journal JAMA Network Open, comes from a wide-ranging survey of nearly 9,000 adolescents across the United

By Brenda Goodman, CNN (CNN) — Dr. Heidi Overton, President Trump’s nominee to lead the US Food and Drug Administration, appeared to break with her boss on Thursday, strongly stating that the MMR vaccine was “not lethal” as Trump has claimed and that it is safe, effective and “our best tool right now in the

By Dana Santas, CNN (CNN) — Whether you’re heading into a pickleball match, a strength-training session or out to do yard work, it’s easy to treat warming up as an optional few minutes of stretching before the “real” activity begins. But a warm-up isn’t about simply making you feel looser. Consider it a part of

By Taylor Nicioli, CNN (CNN) — Most people don’t worry about their cardiovascular health until they get older. But strokes, one type of cardiovascular disease, in young adults are steadily on the rise — and have nearly doubled in the last three decades, according to a new study. “Stroke is a very devastating disease at

By Sandee LaMotte, CNN (CNN) — Candi Wilmot and her 9-year-old daughter Adeline were at the theater watching “Snow White,” the 2025 live-action remake of the beloved 1937 Disney animated classic, when the film suddenly became personal. “It should have been a fun mother-daughter experience, but it wasn’t at all,” said Wilmot, who has type

By Avni Trivedi, CNN (CNN) — Nearly seven years after the start of the Covid-19 pandemic, Dr. Brian P. Lee has seen signs that rates of alcohol use had finally begun to drop. Lee, a hepatologist and liver transplant specialist with Keck Medicine of USC in Los Angeles, hopes the data is true of the

By Brenda Goodman, Jacqueline Howard and Michal Ruprecht, CNN (CNN) — Ibogaine, a psychoactive compound made from the roots of an African shrub, has been gaining popularity as a treatment for opioid and cocaine addiction. There is a new emphasis on research into ibogaine, although it is currently illegal to possess or prescribe it in