The rare person is still interested in new advances when they are adults. There is possibly a correlation with intelligence. In any case, you have to be fairly bright to keep learning and changing attitudes as you get older.
The information that is passed from person to person and from generation to generation is the primary factor that gives humans a competitive advantage over other animals.
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The rewards that compulsive gamblers get are only one step removed from exogenous chemicals, unless you are a big winner.
