Long flights can be intimidating. For some people, they’re annoying. Still others just adjust the seat back and sleep or take the time to read. Whatever long flights mean to you personally, there’s one thing that they mean to everyone. Possible health concerns. A lot of people don’t think of this, but sitting for such a long period of time can open you up to all kinds of health issues ranging from uncomfortable to deadly. How to Mitigate the Health Effects of Long Flights There are a few things you can do to help stay healthy on extended plane trips. I recently took a flight to Zambia, and it was…