Avoid gun powder: Please do not keep gun powder near your lips during your flight. This will keep the risk of explosion to a minimum and help you avoid being examined by the tsa officer.
Answered 4/7/2013
5.2k views
Lips or ears?: I'm assuming you meant "ears". Chewing gum helps most people cope with rapid change in air pressure. If you meant really meant "lips", you have a more serious problem.
Answered 4/18/2013
5.2k views
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