Mathematics, 03.04.2020 19:34, babyskitt

Most alpine skiers and snowboarders do not use helmets. Do helmets reduce the risk of head injuries? A study in Norway compared skiers and snowboarders who suffered head injuries with a control group who were not injured. Of 578 injured subjects, 96 had worn a helmet. Of the 2992 in the control group, 656 wore helmets. STATE: Is helmet use less common among skiers and snowboarders who have head injuries?

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Most alpine skiers and snowboarders do not use helmets. Do helmets reduce the risk of head injuries?...