Although international travel is usually an exciting and pleasant experience, travelers should take steps to ensure that their health does not suffer either  1  their time  1  the air or  1  time abroad.

Before you go, check with your doctor or local travel clinic  2  injections are necessary for the areas you are traveling  3 . Allow sufficient time to have these before you  4  because they may time to become effective. Be sure that the information on health is up-to-date. Check on the internet if you are not sure.

Don't go to bed late the day  5  you fly.

Your body has a natural daily sleep pattern. It takes time to adjust to a new time zone. There are many different effects of jet lag: you may not be able to sleep, you may not want to eat or you may feel sick and tired. You may not be able to concentrate for some days after you arrived.

There are several things you can do to lessen the effect of jet lag:

Sleep as much as you can on the flight. Use a mild sleeping pill if necessary;

Drink as much water as you can;

Don't drink alcohol and caffeine;

Take mild sleeping pills  6  the first few days in the new time zone if you need them.