Natural-born painkiller found in human saliva – health – 13 November 2006 – New Scientist Link via Kurzweil AI Saliva from humans has yielded a natural painkiller up to six times more powerful than morphine, researchers say.
See? And you thought that it was just a placebo and a mother’s love when she offered to kiss your boo-boos and make them better. She was actually just trying to apply a substance that “works in nerve cells of the spine by stopping the usual destruction of natural pain-killing opiates there” to make your pain go away.