A study in the journal Lancet regarding a new blood thinning drug brings to mind the difficulty doctors and patients have in using anticoagulants to prevent clots that could otherwise...

Warfarin (Coumadin ®) is a blood thinner given to people at high risk for the formation of blood clots due to conditions such as deep vein thrombosis, heart valve disease...

Each time a doctor writes a prescription for warfarin (Coumadin ®), a blood thinner given to about two million people each year in the United States, it’s a guessing game....