According to one of the 3 authors of the study, Colin McKenzie, professor at Keio University, the level of intellectual stimulation could depend on working hours. Even though work is a double-edged sword that stimulates brain activity, working more than forty hours per week can result in stress and fatigue that may have a detrimental impact on cognitive functions.
Last updated : 14 Sep 2019
I am 63 yrs old uncle living in HDB heartland who has achieved financial independence @ 56 and finally retired @ 60 from full-time job as employee on 1 Oct 2016.
Single household income since 1995 with three children.
Currently, two sons and one daughter are working.
I have been doing 20 years of long-term investing and short-term trading in Singapore stock market only since Jan 2000 so I am that so-called Panda or Koala in the investment world.
I am currently executing my Three Taps solution model to maintain sustainable retirement income for life till 2041 @ 85 yrs old.
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