Concussions are becoming increasingly common, especially among school-age athletes. It has been estimated that there are up to 3.8 million sports-related concussions in the United States each year. Concussions are problematic as, by definition, a concussive injury involves some degree of trauma to the

In the depths of winter, adults, as well as children, exert themselves to engage in enjoyable outdoor activities that will keep them warm and provide both excitement and entertainment. Cross-country skiing, downhill skiing, sledding, ice hockey, figure skating, and speed skating all have their enthusiasts. Many