Traveling for more than 4 hours by air, car, bus or train is associated with an increased risk of venous thrombosis. In a large study (the MEGA study) of nearly 2000 people with a first thrombosis in the Netherlands, Dr Suzanne Cannegieter and colleagues from the Leiden University Medical Center looked at the risk factors for thrombosis compared with their partners, who did not have thrombosis.>>> Discuss This Story
