Scientists from the US have conducted long-term study, during which participants watched by more than 25 years. The study involved more than 3 thousand. people aged 18-30. For 25 years they regularly filled up questionnaires. Time spent watching TV and your physical activity.
Finally, when participants had approx. 45-55 years, were carried out tests of verbal memory, speed of information processing and executive functions.
The conclusions are clear – those who watched television for more than three hours a day (nearly 11 per cent. of participants) fared worse in tests of cognitive function in the speed of information processing and executive functions, but there was no difference in tests of auditory memory. Low physical activity (more than 16 per cent. Of participants) also was associated with reduced mental fitness. In the case of people watching too much TV while sedentary likely to decrease mental ability increased twice.
“Given that today more and more young people spend too much time sitting and watching TV or computer, these findings should prompt reflection on the functioning of successive generations “- commented the study’s authors. Research published the letter “JAMA Psychiatry”.
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