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 ...

For decades, Alzheimer’s disease has been framed as a one‑way slide, with treatments aiming only to slow the descent. Now a cluster of animal studies is challenging that assumption, showing that ...