Let’s stop “thinning the blood”

Coumarin anticoagulant drugs have been used in medicine since the 1940s,1 although the first recorded human administration of warfarin seems to have been a suicide attempt in 1952.2 Similarly, the role of aspirin as an antiplatelet agent has been long established, and several newer anticoagulant drugs have entered the market over the years.

Although I was surprised to learn that in ponies with navicular disease warfarin has been shown to reduce plasma viscosity, …