There is a huge amount of evidence pointing to genetics; however, it is not universally accepted. It is universally accepted that this is a neurological disorder.
I'd edit my post now, but too late...she saw it. And in her usual, dry humor way, she reminded me how fast I fall asleep afterwards.....
DaDa, that's horrible, just horrible....it's breast cancer than giving a BJ prevents, not restless leg syndrome...idgit!