गोरबो थानाय समाव बिमायारि थांखु सोबनाया बारा खामानि मावनाय , खम गोसोहोनाय आरो खम मेलेमजिबि गोहोजों सोमोनदो दङो ।
Maternal tobacco smoking during pregnancy is associated with increased activity decreased attention and diminished intellectual abilities .