"The fear, I guess, would be that every news outlet in Arkansas certainly would be hyping the fact that Gov. Huckabee lost weight on the University of Arkansas medical sciences weight-loss program, " Kern recalls.

NPR: Slimming Down Made Huckabee Lean and Mean

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.

WSJ: To Avoid Jet Lag This Summer, Travel Like a Scientist

Michiel L. Bots of the Julius Center for Health Sciences and Primary Care University Medical Center Utrecht, Netherlands, who has worked on similar studies and James H.

FORBES: Inside Schering And Merck's Secret Panel