Unlike change management, which is grounded in business and economics, OD relies primarily on the application of behavioral sciences, such as psychology, sociology, and cultural anthropology, to facilitate human development for social and organizational gain.

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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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Recognizing the rapid maturity of HIV medical, behavioral and social sciences, the U.S. Centers for Disease Control and Prevention now considers HIV a winnable battle.

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