Gut microbiome changes may drive age-related memory loss via inflammation and disrupted brain signaling, but interventions in mice show this process can be reversed.

Scientists have long known that stress and addiction travel together, but the biological connection between a hard day and a ...

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 ...

A major discovery reveals that metformin works not just in the body, but in the brain. By switching off a key protein and activating specific neurons, the drug lowers blood sugar through a previously ...

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 ...

Researchers at the University of California San Diego have found that an intensive retreat combining multiple mind-body techniques, including meditation and healing practices, produced rapid and ...

Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the ...

Scientists have discovered a brain pathway that explains why scary sounds can trigger fear before you even understand what ...

Your brain does not develop in a smooth, straight line like climbing a ladder. Scientists have discovered four essential developmental milestones occurring at ages 9, 32, 66, and 83, creating five ...

In a recent study published in the journal Science Advances, researchers tested whether low, clinically relevant doses of metformin lower blood glucose via inhibition of Ras-related protein 1 (Rap1) ...