TIL in 1951 an army inductee attempted suicide by consuming rat poison, but survived after being treated with a large dose of vitamin K. This led to the discovery that the poison; warfarin, was safe to use as a treatment for blood clots.

TIL in 1951 an army inductee attempted suicide by consuming rat poison, but survived after being treated with a large dose of vitamin K. This led to the discovery that the poison; warfarin, was safe to use as a treatment for blood clots.