Category: saliva

Human saliva contains a painkiller called Opiorphin that is about six times more powerful than morphine. Saliva from humans has yielded a natural painkiller up to six times more powerful than morphine, researchers say. 

Human saliva contains a painkiller called Opiorphin that is about six times more powerful than morphine. Saliva from humans has yielded a natural painkiller up to six times more powerful than morphine, researchers say. 

We produce a lot of saliva just before vomiting in order to protect our teeth from erosion due the acidity of the vomit.

Photo : Kevin Galens / flickr