| Just recently, the DRI-WEFA, Inc., in cooperation with | | | | interrupt your natural biological rhythms. For some |
| The Campbell-Hill Aviation Group, Inc. conducted a | | | | people, crossing time zones is the biggest problem; |
| study on air travel. The study showed how air travel | | | | including insomnia, headache, diarrhea, and a 747-size |
| creates such an impact; it is now considered as a | | | | case of fatigue. |
| vital part of the United States economy. In fact, | | | | Travelers can figure on about one day of jet lag for |
| statistics show that the air travel industry has | | | | each time zone crossed. So recovering from a flight |
| supplied more than $900 billion to the country's | | | | to Europe or Asia may take up to a week. And |
| economy in the year 2000 alone. No wonder why | | | | experts say that it is generally worse when you are |
| tourism boosts more of their travel packages | | | | traveling west to east, so it may be harder to |
| through air travel. | | | | recover when flying from Japan to New York than |
| However, health experts say that long flights can | | | | from New York to Japan. |