As travel season approaches, you need to be careful. These days, it’s becoming increasingly more dangerous to travel the globe. Not because of airline security or road-hazards. No, anymore your biggest concern should be… circulation.

Zahra Ghasemi, a physical therapy supervisor at Cedars Sinai Medical Center, conducts research into venous thromboembolism, a form of blood circulation disorder that is apprently hightened by long-haul travel. Overseas flights. long-distance driving. They all carry a small amount of danger from too little physical activity during such long trips. Suggested tips include wearing loose clothing, not crossing your legs during long flights, and of course… walk around as much as possible during the trip or during stopovers.

The lesson to learn? Plan all of the adventure vacations that you like. Travel the world on a global holiday with exciting destinations offering scuba diving with sharks or rock climbing or wild-animal punching in Africa. Bungie-jump off of a cliff in some European hot spot after hang-gliding from a mountain retreat in between snow-skiing trips and white water rafting.

Just please, for your own safety! Do NOT cross your legs. Ever!