CNN Health

Swabs collected from stalls and equipment at the Huanan Market in Wuhan, China, that tested positive for traces of the virus that causes Covid-19 also, in some cases, contained traces of DNA from animals known to be susceptible to infection, according to a new analysis by an international team of researchers.

US officials are weighing whether to offer people who are at high risk of severe Covid-19 the chance to get another bivalent booster, according to a source familiar with the deliberations, who asked not to be named because they were not authorized to share the details of ongoing discussions.

Researchers have been pushing the limits of 3D printing for decades, using the manufacturing technique to churn out consumer goods such as furniture and shoes, human organs and even a rocket. But can the industrial technology be applied to make a fully baked dessert that can be fabricated in your home kitchen?

Doctors across the United States who treat people with advanced prostate cancer can't find supplies of a medicine that may help them live longer.

Telescopes around the world were watching when a NASA spacecraft intentionally crashed into an asteroid in September 2022.

In a letter to his wife in March 1901, pioneering French painter Claude Monet lamented the bad weather that prevented him from working, as well as another conspicuous impediment to his creativity.

Researchers are identifying new ways to assess older adults' social circumstances and identify risks that can compromise their health. "It's a more complete picture of older adults' circumstances than any one factor alone," one expert said.

Clinical cases of Candida auris, an emerging fungus considered an urgent threat, nearly doubled in 2021, according to new data from the US Centers for Disease Control and Prevention.

The US Drug Enforcement Administration issued an alert Monday about the widespread threat of fentanyl mixed with xylazine, a veterinary tranquilizer also commonly known as "tranq" or "tranq dope."

Spring is the season of inspiration. And of the hope that things will get better after they were worse.

Americans took fewer steps during the height of the Covid-19 pandemic, and they still haven't gotten their mojo back, a new study found.

Reset your year with green dishes filled with fresh herbs and a clean home for the Persian New Year, also known as Nowruz.

Human-made chemicals called PFAS alter pathways needed for human growth and development, according to a recent study analyzing blood samples from young children, teens and young adults.

Birth control pills are a saving grace to some, and for others they may be a libido killer. Experts explain why that is and what you can do about it.

A pioneering scheme testing for hundreds of rare genetic conditions could prevent untold pain and misery for babies and their families in the UK.

After more than 50 years of quiet, the moon is about to become a destination for space travelers again.

Frozen organic strawberries sold at several stores, including Costco and Aldi, and in a frozen fruit blend at Trader Joe's are being recalled after they were tied to an outbreak of hepatitis A infections in Washington state.

A new analysis of genetic material collected from January to March 2020 at the Huanan Seafood Market in Wuhan, China, has uncovered animal DNA in samples already known to be positive for SARS-CoV-2, the coronavirus that causes Covid-19.

Eyedrops recalled due to bacterial contamination have now been linked to dozens of infections, as well as cases of vision loss, surgical removal of eyeballs and one death.

Tickborne disease has been on the rise in the US, with the number of cases growing 25% from 2011 to 2019. Among them is babesiosis, which has become significantly more prevalent in the Northeast in recent years.