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jet lag

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jet lag

The effect of a sudden switch of time zones in air travel, resulting in tiredness and feeling ‘out of step’ with day and night. Using the hormone melatonin at the desired bedtime may help to lessen the effect of jet lag by resetting the body clock. See also circadian rhythm.



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A better simulation of jet lag than that described in "Jet lag might hasten death in elderly" (SN: 11/25/06, p.
For those who are susceptible, the potential hit from jet lag is serious enough that some companies will not let executives sign binding documents within 24 hours after getting off a flight through several time zones.
Disruptions in circadian rhythm have been implicated in a variety of diseases and conditions from common jet lag to cancer.
 
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