In a study, researchers tracked the medical data of 190,000 people born between 1974 and 1994 in the country  They had an intelligence test between 2006 and 2012  At the time of the intelligence test, some respondents were hospitalized due to infection  The researchers found that those hospitalized due to infection had an average IQ score of 1 76 points lower than the average  Those who had been hospitalized for five or more times had an average IQ score of 9 44 points lower than the average
Infection of tissues around the brain can affect the intelligence level of the brain.
 Researchers pointed out that human infection can reduce individual IQ