Universal Basic Income improved mental health and self-reported cognitive function.

"The effects of the basic income experiment on wellbeing were studied through a survey. Survey respondents who received a basic income described their wellbeing more positively than respondents in the control group. They were more satisfied with their lives and experienced less mental strain, depression, sadness and loneliness. They also had a more positive perception of their cognitive abilities, i.e. memory, learning and ability to concentrate. In addition, the respondents who received a basic income had a more positive perception of their income and economic wellbeing than the control group."

empirical