According to new research, workers older than 40 perform at their best when they work three days a week. A new study has found that cognitive performance of people over 40 increased as the week progressed up to 25 hours a week, and workers’ performed their best at this peak. The research, which was published in Australia’s Hilda Report, with data taken from the Household, Income and Labour Dynamics in Australia report, revealed that cognitive function began to decline after 25 hours and that middle-aged persons who worked 55 hours revealed results that were worse than those that are unemployed or retired. One of the authors of the study, Professor Colin McKenzie from Keio University, explained that long working hours cause fatigue and stress, which have a significant effect on cognitive function. “The degree of intellectual stimulation may depend on working hours. Work can be a double-edged sword, in that it can stimulate brain activity, but at the same time, long w...
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