Behavioral Genetics is a bit of mess at the moment.  Schizophrenic studies in Scandinavia, notably Denmark, have proven the nurturing/genetic ratio is 20:80.  Giving rise to the consensus there is something to the idea one's genetic inheritance influences one's behavior; How and to What Extent is a puzzlement, and no mistake.

BG ain't ready for Prime Time.  Have to segue over to Neuroeconomics to see why some people thought dropping $560 million was a Good Idea.

 

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre