A sizable improvement was found in the prevalence of American adults aged 65 and older without disabilities—including memory, ...

Lifetime history of heavy cannabis use is associated with lower brain activation on working memory tasks among young adults.

Striking brain similarities have been detected in patients who experience long COVID and Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS), in particular, a larger than normal hippocampus.