Headed to some white sand beaches, or snow-capped mountains sometime soon? Maybe it's just a quick business trip. No matter what, flying is almost inevitable these days. While air travel in general has been proven to be pretty safe, we have a few tips to make jetting off for that weekend vacay a little healthier. And nope, it's not about staying hydrated (okay, one of them is) or putting on a face mask, although both of those might make you feel better when you arrive, too.