Interesting article in the New York Times. Animal experiments with this gene seem to indicate that those who have it are less likely to become addicted to drugs, and that they recover more quickly and easily from psychological/emotional trauma.
http://www.nytimes.com/2015/03/08/op...good-gene.html
"CHANCES are that everyone on this planet has experienced anxiety, that distinct sense of unease and foreboding.
Most of us probably assume that anxiety always has a psychological trigger.
Yet clinicians have long known that there are plenty of people who experience anxiety in the absence of any danger or stress and haven’t a clue why they feel distressed. Despite years of psychotherapy, many experience little or no relief. It’s as if they suffer from a mental state that has no psychological origin or meaning, a notion that would seem heretical to many therapists, particularly psychoanalysts...."