Weill Cornell Medicine investigators have identified in a preclinical model a specific brain circuit whose inhibition appears to reduce anxiety without side effects. Their work suggests a new target for treating anxiety disorders and related conditions and demonstrates a general strategy, based on a method called photopharmacology, for mapping drug effects on the brain.

Older adults whose cholesterol changes over time may be more likely to develop dementia than people whose cholesterol is stable, regardless of the actual cholesterol level, according to a study published in the January 29, 2025, online issue of Neurology®, the medical journal of the American Academy of Neurology.