Is Addiction an Evolutionary Disadvantage?

Is Addiction an Evolutionary Disadvantage?

Is Addiction an Evolutionary Disadvantage? As humans evolve, they are supposed to get rid of unused, unnecessary, or unbeneficial traits. So goes the (crude) definition of the evolution theory. However, addiction to a substance, or to anything for that matter, is usually a psychological defense mechanism. Say a person relapsed upon seeing news of a…