Here are some tips to help prevent jet lag:
Maintain a sensible bedtime schedule prior to your trip. Don't avoid sleeping in order to make yourself tired.
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Before taking your trip, load up on antioxidant vitamins A, C, E, and the mineral selenium. This will help protect you against free radical damage caused by radiation during the flight.
Take an an READ MORE http://www.health911.com/remedies/rem_jet.htm