How to Prevent Jet Lag, Enjoy Travel — VOA Learning English
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Many travelers face a common problem: jet lag.
It is the feeling of tiredness people get when traveling a long distance, resulting in a difference in daylight hours. Nobody wants to miss the fun because they are too tired to enjoy their vacation.
Here are some tips on how to deal with jet lag:
What is jet lag?
Scientists define jet lag as the effect on the human body of traveling across time zones. Sofia Axelrod studies circadian rhythms at Rockefeller University in New York. She said a circadian rhythm is like a biological clock programmed into almost every cell in the body.
"The clock is set by the 24-hour light and dark pattern," Axelrod said. "Every morning when we wake up, specialized…
Торкнись будь-якого слова — переклад з’явиться одразу, а слово ляже в твою добірку разом із реченням.