Jetting off without the jet lag
Wednesday, June 23, 2010 - 13:30
in Astronomy & Space
Everyone hates the jet lag - the nighttime insomnia, loss of appetite, decreased alertness, and depressed mood - that accompanies travel to locations in different time zones. The symptoms of jet lag are caused by misalignment of a person's internal body clock (also known as the circadian clock) and external time.