However, further research has shown that it is the normal condition for humans and for most other mammals. It seems pretty clear why this is the case for most mammals and for most human beings.
“It was known in the mid 90s already that Saddam Hussein was a dangerous tyrant that he had already launched aggressions against Iran, he had invaded Kuwait.”
“As a teacher you are more or less obliged to pay the same amount of attention to everything. That can wear you down.”