Health

By Jacqueline Howard, CNN (CNN) — Cases of diarrhea caused by the parasite cyclospora continue to climb, and with the threat of weekslong illness and no certainty about the source, it’s easy to wonder: Is there anything in the produce aisle that’s safe to eat? The outbreak has risen to more than 3,000 cases in

By Sandee LaMotte, CNN (CNN) — Cognitively healthy older adults with high levels of a biomarker called p-tau217 in their blood had an estimated 38% greater chance of developing early signs of dementia over five years, a new study found. Over 10 years, the risk was 78% higher, although the data was not as robust.

By Jen Christensen, CNN (CNN) — New York City is managing a community cluster of Legionnaires’ disease cases on the Upper East Side that officials believe is tied to bacteria found in cooling towers. Towers on 76 buildings on the Upper East Side have tested positive for the bacteria, the city’s Department of Health and

By Deidre McPhillips, CNN (CNN) — There have been 1,645 confirmed cases of cyclosporiasis acquired in the United States since May 1, and more than 5,100 additional cases are being investigated, the US Centers for Disease Control and Prevention said Tuesday — a sharp increase in cases compared with recent years. A growing outbreak in

By Amen Galinato, CNN A yearly physical is the standard preventive measure for adults, but many Gen Z patients are forgoing regular doctor appointments. More than 1 in 4 young adults don’t have a primary care provider, according to a recent national survey by the Ohio State University Wexner Medical Center. For Gen Zers who

By Deidre McPhillips, CNN (CNN) — US Sen. Lindsey Graham, a Republican from South Carolina, died on Saturday night from a tear in his artery, according to preliminary findings from a medical examiner. Aortic dissection is rare, and life-threatening in most cases, experts say. The acute event happens quickly but there are steps you can

By Brenda Goodman, CNN (CNN) — An outbreak of diarrhea caused by the parasite cyclospora has risen to more than 3,000 cases in Michigan and Ohio, and the ongoing investigation suggests lettuce or salad greens may be the source. However, Michigan health officials said other foods can’t be ruled out and no specific type, grower

By Elise Haulund, CNN Whitney Hand was in her laundry room when she heard her daughter scream from the kitchen. “It was a sound I’d never heard her make before, and she just kept screaming, ‘Mom!,’ so I went in there, and I didn’t really understand what was going on at first, but she was

By Madeline Holcombe, CNN (CNN) — While research around sports and brain impacts has tended to focus on American football, soccer players may be at risk as well. Retired professional soccer players show signs of potential neurological impacts in midlife, according to new research. As the World Cup heads toward the finals, the study presented

By Sandee LaMotte, CNN (CNN) — The US Environmental Protection Agency quietly approved the use of three new PFAS pesticides last week to kill weeds on the nation’s crops. An additional two “forever chemical” pesticides were approved in November 2025, for a total of five during the second Trump administration. Nearly 40% of nonorganic fruits

By Brenda Goodman, CNN (CNN) — Summer is the best time to be enjoying fresh berries and cool salads with a sprinkling of fresh basil, preferably poolside. But this summer, with cases of diarrhea caused by a microscopic parasite called cyclospora climbing across several states, you may want to take extra care with how you

By Katia Hetter, CNN (CNN) — Not sure what type of bug bit you or what caused that rash? Many Americans hashtag their questions and turn to social media for health information, whether they are looking up symptoms, researching a diagnosis or learning about a treatment. More than 1 in 5 adults in the United

By Brenda Goodman, CNN (CNN) — Got a nasty stomach bug that won’t go away? It could be cyclosporiasis, a parasitic infection that causes weeks of debilitating diarrhea, cramps and bloating. This infection tends to occur during the warm summer months, but several states are reporting increases in cases beyond what they would normally expect

By Dana Santas, CNN (CNN) — For decades, the prescription for better heart health has centered around aerobic exercise and moving more: Get in your steps and avoid sitting too much. That advice isn’t wrong, but new research suggests another important piece of the puzzle. A recent study found that women who regularly engaged in

By Katia Hetter, CNN (CNN) — We’ve long known that healthy eating is linked to better brain health. Now there’s even more evidence, just published in the journal JAMA Network Open, that an anti-inflammatory diet may play an important role in reducing dementia risk — even among people already at higher biological risk for the

By Jen Christensen, CNN (CNN) — The New World screwworm, which was found in the United States in June for the first time in decades, often chooses livestock like cows to host its flesh-eating larvae. That fact may have some meat-eaters on edge, but public health leaders have emphasized repeatedly that the parasite is not