Lifetime cannabis use is associated with several changes in brain structure and function in later life, suggests an observational study, but these associations may not be causal, finds a genetic ...
Schizophrenia may increase the abundance of 9 gut microbiota species and reduce the abundance of 2 taxa. A new study evaluating the relationship between the gut microbiome and schizophrenia risk ...
Feeling sleepy and lacking enthusiasm during the day could increase the risk of developing a cognitive disorder leading to dementia, a new study found. Sleep expert Dr. Wendy Troxel discusses.