Medicine

Proteins involved in immunity, clotting and inflammation could help to unravel the complexity of long COVID

When symptoms start, COVID tests may say you’re not infected when you really are.

A genetically modified pig liver successfully filtered the blood of a human who had completely lost brain activity and did so for three days. The achievement offers a potential temporary treatment for people with acute liver failure

A model heart made from living tissue fused with robotic muscles could help researchers see how the organ works on the inside

Here’s the best, most inspiring and coolest science we encountered this year

Ongoing research shows electrical vagus nerve stimulators could relieve some long COVID symptoms. But are the expensive devices worth the price?

Your brain might be like a computer, and your digestive system might be like a tube. But in the end, your whole body is just a bag full of bags

From new uses for weight-loss drugs to the first CRISPR gene editing therapy, these were some of the most impactful health stories of the year

New CRISPR-based treatments for sickle cell disease bring hope, but medical providers still marginalize people with this condition far too often

An injection that targets nerves in the neck appears to relieve parosmia related to COVID infection in some people, but more rigorous studies are needed

For the first time, researchers have used sound waves to 3-D print an object from a distance—even with a wall in the way

Most people with sickle cell disease who received a new gene editing treatment saw their pain resolve for at least one year, but longer follow up is needed