Prefer Newsweek on Google to see more of our trusted coverage when you search. The extreme mental and physical fatigue brought on by long COVID may be a result of structural changes in the brain, new ...

A hidden waste-removal pathway in the brain has finally been caught in action. Using cutting-edge MRI scans, researchers ...

Neuroscientists have observed for the first time how structures deep in the brain are activated when the brain becomes aware of its own thoughts, known as conscious perception. The brain is constantly ...

When a magnet is heated up, it reaches a critical point where it loses magnetization. Called "criticality," this point of high complexity is reached when a physical object is transitioning smoothly ...

A study of nearly 10,000 adolescents funded by the National Institutes of Health (NIH) has identified distinct differences in the brain structures of those who used substances before age 15 compared ...

The potential benefits of organoids for fundamental research and medicine are huge. Efforts to establish proper boundaries ...

Why are women disproportionately affected by depression and anxiety, while autism and attention deficit hyperactivity disorder (ADHD) are more common in men? Aside from societal expectations, ...

A research team has identified genetic factors that influence the shape of subcortical brain regions—far beyond volume measurements. The results could open up new approaches for the early detection of ...

In a rare but serious complication of cancer, the body’s own immune system can start attacking the brain, causing rapid-onset memory loss and cognitive deficits. What triggers this sudden biological ...