It's a rare individual that needs to increase his sodium intake -- after all, most Americans consume way more than the 1,500- to 2,300-milligram maximum a day. However, certain people -- such as athletes who sweat a lot -- might experience a condition known as hyponatremia, or low levels of sodium in the blood.
Skiing has a history of almost five millennia. Although modern skiing has evolved from beginnings in Scandinavia, it may have been practiced as early as 600 BC in what is now China. The word ski is one of a handful of words Norway has exported to the international community.
Snowboarding was one of the sports represented at the first-ever Winter X Games in 1997. A year later, it made its Olympic debut at the 1998 Nagano Games, with halfpipe and giant slalom contested. Snowboard cross was added to the Olympic program in 2006, slopestyle premiered in 2014, and big air will make its Olympic debut in PyeongChang. [Back to top] 1998 Nagano The first-ever gold medal in Olympic snowboarding went to Canada's Ross Rebagliati for his win in the men's giant slalom, but that distinction initially lasted just a few days.