coumadin does? no. it is not even an actual blood thinner; it inhibits blood clotting, which is what it does in rats to kill them. it is just that we are bigger and it takes us longer to die and we don't use as high of doses, relatively. as far as your link to dmho, you should have seen this lady's face when i presented her with an article once that said they were adding silcon dioxide (glass) to candy bars to give them crunch! she bought it hook line and sinker.