Dear Doctors: I've noticed that as I get older, jet lag hits me harder. I recently read that timing your meals on the day you fly can make a difference. Do you know if that's true? I'm also curious about apps like Timeshifter, which my son swears by. Can they help?
Dear Reader: Jet lag is the collection of unpleasant symptoms that occur when a flight takes you across multiple time zones. When you a…