New research suggests that sleepiness from a poor night of sleep amplifies anger! This seems to be true in both laboratory experiments as well as in daily real life settings.
Strong evidence suggests that the gut microbiome plays a key role in the development and progression of many psychiatric and behavioral disorders including Attention-deficit/hyperactivity disorder (ADHD).
In the mouse model of multiple sclerosis (MS), researchers found that gut microbial product can signal and change the activity of immune cells in the brain to remotely control brain inflammation.
A study that evaluates whether improvements in attention span are maintained seven years after an intensive meditation training program concluded that regular meditation have long-lasting benefits on attention span and other cognitive abilities.