As a species, those of us in the developed world stopped evolving in many ways since the industrial revolution. Traits that increased the probability of reprod

As a species, those of us in the developed world stopped evolving in many ways since the industrial revolution. Traits that increased the probability of reproduction hundreds, thousands, or millions of years ago stopped becoming a competitive advantage. What you describe is not a paradox. The brain can self-diagnose and regulate the individual. Sometimes it's the introduction of foreign chemicals into the system (food, medication, whatever) and sometimes it is internal restructuring (learning).