Painkiller found in human saliva
Tuesday, November 14th, 2006Natural-born painkiller found in human saliva – health – 13 November 2006 – New Scientist
When the researchers injected a pain-inducing chemical into rats’ paws, 1 gram of opiorphin per kilogram of body weight achieved the same painkilling effect as 3 grams of morphine.
3 grams of morphine per kilogram of body weight? At that dose [...]