http://www.newsweek.com/snake-venom-protein-blood-pressure-1858192 > The venom of some snakes and spiders can kill even the largest of creatures in a matter of hours, but it seems that the venom of this snake species may actually be good for us. > Scientists have found that the venom of a South American snake species called the lancehead pit viper Cotiara (Bothrops cotiara) contains chemicals that could help lower our blood pressure, according to a new paper in the journal Biochimie.