According to the World Tourism Organization, the number of international tourist arrivals in 2004 reached an all-time record of 763 million. This number represents an increase over the 2003 figure of almost 11%—the highest and the only double-digit percentage increase since 1980, when these statistics were first collected. Not only are more people traveling; travelers are seeking more exotic and remote destinations. Studies show that 50–75% of short-term travelers to the tropics or subtropics report some health impairment. Most of these health problems are minor: only 5% require medical attention, and .
