Weekly Dose: Warfarin, the blood-thinner that's still used as a rat killer
- Written by The Conversation Contributor

Warfarin is a blood thinner that has been used for more than 60 years to prevent the formation of clots and strokes. It is most commonly prescribed for people with atrial fibrillation, deep vein thrombosis, pulmonary embolism and prosthetic heart valves.
Atrial fibrillation...