Cyclospora, the parasite that's been wreaking havoc in people's digestive systems over the past month, starts with a single cell. The parasite passes through human intestines to reproduce. Their complex biology contributes to why it's so hard to kick, leading to infections that can last for weeks or months.

Dozens of people who grew up around Philadelphia learned decades later they shared the same biological father, a pioneering infertility doctor. Many bonded, created a family and hold reunions.

The goal is to address longstanding challenges to rural healthcare in North Carolina, which has over 3 million residents living in rural areas.

The American Red Cross says the blood supply in the U.S. has reached "crisis levels" and is urging people to donate.

Robeson County, N.C., where most of the Lumbee Tribe's citizens live, ranks as one of the worst counties in the U.S. for health. The tribe can access the Indian Health Service now, but it's not likely to be sufficient to improve the health of the community.

The Trump administration's upending of years of vaccine advice puts many pediatricians in a quandary. Some are steering patients away from the CDC to other authoritative websites, including their own.

There's a reason why double- or triple-screening your devices makes you feel tired, says NPR's Manoush Zomorodi. She explains the science of information overload and how to reclaim calm and focus.

The release of Dr. Anthony Fauci's pandemic diaries has rekindled the debate over the origins of SARS-CoV-2. Here's how scientists have weighed in.

Federal subsidies that have helped defray insurers' Medicare drug costs will disappear at the end of the year. Millions of beneficiaries could face higher premiums in 2027.

Nutrition advocates and public health experts are mystified by the decision to eliminate the landmark nutrition education program SNAP-Ed.