Social isolation has a direct causal impact on how quickly cognitive function declines in later life, independent of whether someone feels lonely.

Closely related dopamine-releasing neurons in the olfactory bulb behave in fundamentally different ways depending on their physical structure.

New work explores why consciousness evolved and what observing birds can teach us about its biological purpose.

Physical exercise triggers extracellular vesicles (EVs)—tiny particles in the blood—to act as temporary transport shuttles for key hormone precursors.

Neurons can rapidly rebalance their communication using a structural signal rather than electrical activity, overturning long-held assumptions about how synapses maintain stability.

Breast cancer can rapidly derail the brain’s day-night regulation of stress hormones, even before tumors are detectable.

New research shows that buying second-hand gifts is typically a thoughtful, intentional decision rather than an impulsive one ...

New research reveals that when gut bacteria closely resemble the myelin sheath that protects nerve fibers, the immune system can become confused and attack both — accelerating multiple sclerosis.

A large international study of more than 45,000 people shows that narcissism is a universal personality trait—not one concentrated in any single country.

A new study shows that balanced neural inhibition in the hippocampus is crucial for recognition memory, the ability to remember objects we’ve recently encountered.

Individuals with diabetes were more likely to experience sleep disorders, poor sleep quality, and irregular sleep duration, with people who have prediabetes showing similar but milder trends.

New research shows that blood from older animals can speed up Alzheimer’s-related changes in the brain, while young blood may ...