A north wind is a wind that originates in the north and blows south.The north wind has had historical and literal significance, since it often signals cold weather and seasonal change in the Northern hemisphere.he North wind plays a part in the Norwegian fable,  East of the sun and west of the moon , as the only wind capable helping a woman fly to the titular location to find her husband.
Being struck by or against an object was the second leading cause of TBI, accounting for about 15% of TBI-related ED visits, hospitalizations, and deaths in the United States in 2013. Over 1 in 5 (22%) TBI-related ED visits, hospitalizations, and deaths in children less than 15 years of age were caused by being struck by or against an object.
Acute subdural hematoma (ASD) is seen in 12% to 29% of severe TBI and and has a mortality rate of 40% to 60%. Some ASDs are caused by blood from hemorrhagic contusions and traumatic subarachnoid hemorrhage that extends to the subdural space due to tears of the arachnoid membrane.