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Jet Lag Jet lag is natures way of making you look like your passport photo If you have ever traveled from one time zone to another you might have felt tired unaware headache it means you are suffering from jet lag It is important that a traveler should understand jet lag and avoid factors which led to it What is jet lag Jet lag results from disruption of circadian rhythms in the human body Circadian rhythms pertain to changes in body function that occur throughout a 24-hour period These circadian rhythms regulate mental alertness and the propensity to fall asleep In simple words Jet lag is a temporary condition that some people experience following air travel across several time zones in a short period of time their body clock that regulates sleep wakefulness and other activities is disturbed In order for the body to work with maximum efficiency the bodys 24-hour circadian rhythm cycle must be tuned to the light-dark cycle of the external environment A persons biological clock needs some time to synchronize with the external environment As a result the condition called jet lag arises The passengers traveling north to south does not face jet lag as they do not cross time zones Also it is generally easier to adjust to a time shift when traveling from east to west than from west to east What are the effects of jet lag People who experience jet lag have a difficult time maintaining their internal routine sleep-wake pattern they can feel lethargic one moment and excited the next Jet lag can also cause daytime fatigue stomachaches headaches irritability and decreased awareness A study conducted at University of Bristol has found that too much jet lag can affect the memory and impair thinking The study was carried on female cabin staff that had been flying across time zones for more than four years and identified that these women had slower reaction
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