Scientists have identified a brain pathway that may help protect dopamine-producing neurons, the cells that gradually ...

Alzheimer's disease not only robs people of their memory but also affects mood, often causing anxiety and depression. Until now, scientists haven't fully understood how these symptoms are connected in ...

New research from King's College London and the University of Porto has mapped the histamine system in the brain. Histamine, ...

Scientists have known for some time that Alzheimer’s disease affects brain regions differently. And they have a detailed understanding of how misfolded tau forms toxic tangles in the brain, impairing ...

As humans and other animals experience new things, their brains continuously update their memory of past events. These ...

Scientists have long known that stress and addiction travel together, but the biological connection between a hard day and a hard-to-break habit has been far less clear. New research now identifies a ...

New peer-reviewed research from University College Cork traces how voluntary exercise reshapes tryptophan metabolism through the gut microbiota, lowering a key receptor in the memory center of the ...

The Importance of Gliotransmitters for Brain Function, Plus Cognitive and Motor Efficiencies Gliotransmitters are neurochemicals released by glial cells. They support communication between neurons and ...