The Coalition to Prevent Deep-Vein Thrombosis provides a list of frequently asked questions to educate people about this potentially deadly condition.
Some of them are listed below.
Q. What is deep-vein thrombosis (DVT)?
A. Deep-vein thrombosis (DVT) is a common but serious medical condition that occurs in approximately two million Americans each year.1 DVT occurs when a blood clot (thrombus) forms in one of the large veins, usually in the lower limbs, ...

According to the federal Centers for Disease Control and Prevention, diagnosis of deep vein thrombosis – the formation of a blood clot in one of the deeper veins – can be tricky. So can diagnosis of pulmonary embolism, which occurs when a blood clot breaks off and travels to the lungs.
A higher price as a selling point may seem counterintuitive. Why would somebody purchase a product specifically because it costs more, particularly if safer alternatives are available?
An ABC Nightline story recounts the experience of pediatric nurse, who took the medication Yaz because she wanted to look nice on her wedding day, and ended up going blind after a blood clot sent her into a coma.