Tips + NewsTravel Tips + EtiquetteIf you’ve ever flown a long-haul flight, you’ve probably heard about deep vein thrombosis (DVT)—blood clots, typically in the calves, that have been associated with flying. These clots can travel to the lungs and cause life-threatening blockages known as pulmonary embolisms.DVT is primarily a concern on long flights, defined as four hours or more. “Four hours is the criteria, but the more significant risk is at eight hours or longer,” says Dr. Lin Chen, director of the Travel Medicine Center at Mount Auburn Hospital in Cambridge, Massachusetts, and...…Tips + NewsTravel Tips + EtiquetteIf you’ve ever flown a long-haul flight, you’ve probably heard about deep vein thrombosis (DVT)—blood clots, typically in the calves, that have been associated with flying. These clots can travel to the lungs and cause life-threatening blockages known as pulmonary embolisms.DVT is primarily a concern on long flights, defined as four hours or more. “Four hours is the criteria, but the more significant risk is at eight hours or longer,” says Dr. Lin Chen, director of the Travel Medicine Center at Mount Auburn Hospital in Cambridge, Massachusetts, and...WW…