Here´s why you get sick after vacation - and how you can prevent it
(LA Times Auto Racing)

You´ve returned from vacation and that post glow is fading fast. Your nose is dripping, you´re sneezing and your throat is sore. Or your stomach is upset and you have diarrhea. Why is this your reward for travel, and how can you prevent it? And what if your symptoms don´t go away? Chances are it´s...