They don't seem to have controlled for daily activity, only socio-economic status. http://www.cell.com/current-biology/fulltext/S0960-9822%2812%2900712-9 http:

They don't seem to have controlled for daily activity, only socio-economic status. http://www.cell.com/current-biology/fulltext/S0960-9822%2812%2900712-9 http://www.cell.com/current-biology/fulltext/S0960-9822%2812... I am guessing there are confounding co-factors that make this research woefully inadequate and not useful.