Its 500 producers, who speak only Keqchi and Pokomchi, grow coffee and cardamom on shady forested plots in the buffer zone of the magnificent cloud forest of Sierra de las Minas.

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Most travelers arrive in a new time zone, take a sleeping pill to fall asleep at bedtime, drink coffee during the day to stay awake, and wait it out until they feel better, says Charmane Eastman, a professor of behavioral sciences at Rush University Medical Center in Chicago, who has devised strategies for people seeking to minimize jet lag.

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