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Adventure Travel
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WebMD Feature
Reviewed by Gary D. Vogin, MD

Vacations used to mean crowding the kids into the family sedan and heading for the closest national park, or perhaps boarding a jet for a trip-of-a-lifetime flight to Europe to pose in front of the Eiffel Tower. But in increasing numbers, Americans are giving new meaning to the phrase "get away from it all." Many have forsaken the traditional sightseeing holidays and have turned instead to the booming adventure travel or ecotourism industry.

In Walter Mittyesque style, they're heading for Africa, Asia, and South America to shoot roaring rapids, crawl through daunting caves, or scale mountain summits. In some cases, however, they're also contracting potentially serious illnesses with names they often can't pronounce.

Too often, people embark on these adventures unaware of the risks they might face with altitude sickness, for example, or infections with exotic organisms. "Ten years ago, the only people going to high altitudes were experienced mountaineers," says Fiona Bellis, MDBS, an emergency physician at Torbay Hospital in Torquay, England. "Now, just about anyone can go. And people are just not as well informed about the risks as you might expect."

At Emory University, infectious diseases specialist Phyllis Kozarsky, MD, is director of the TravelWell Clinic, and she stresses the importance of having a realistic view of your own capabilities for adventure travel. "So many people want to trek in Nepal," she says. "Some of them are of retirement age and have a long history of smoking, but still think they can easily climb to 14,000- to 18,000-foot elevations. They seem to have no concept that it's not going to be like traveling to Kansas City."

Altitude sickness is not only common among adventure travelers, but it is potentially fatal if it is not treated properly. It occurs most often at elevations above 8,000 to 10,000 feet, usually when a climber ascends too rapidly. As a decreased amount of oxygen reaches the brain, symptoms such as headaches, nausea, and fatigue can develop. In more serious cases, people may stumble and fall, become confused and irritable, and develop severe shortness of breath or a cough.

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