Anxiety is often described as a whole‑brain problem, but a series of mouse experiments suggests that, in some cases, a single misfiring circuit can tip the balance between calm and fear. By nudging ...

Endogenous lithium levels were lower in the prefrontal cortex of people with Alzheimer's and mild cognitive impairment. Lithium depletion in mouse models led to increased amyloid and accelerated ...

Researchers are reporting that an existing drug can roll back key signs of Alzheimer’s disease in mice, restoring memory performance and easing brain pathology in animals that already show symptoms.

New research shows that aging blood can accelerate Alzheimer’s-like changes in the brain, while younger blood may offer protection. In mouse experiments, older blood worsened memory performance and ...

Every day, our brain makes thousands of decisions, big and small. Any of these decisions - from the least consequential such as picking a restaurant to the more important such as pursuing a different ...