The "brain fog" of long COVID might be due to impaired lung function following a person's infection, a new small-scale study says. Reduced gas exchange in the lungs – oxygen coming in, carbon dioxide ...
Some birds exhibit regular seasonal changes in brain structure to support specific behaviors. For example, regions of a songbird’s brain associated with singing may expand during the warmer months ...
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 ...