People who think a placebo treatment for pain is working in fact experience reduced pain signaling in their spinal cord, according to a new study.
The new results suggest that the pain-related placebo effect may work by tapping into a pain-suppressing system already in place in the body -- one that starts in the brain and relays down to the spinal cord.
Scientist know that when people experience a decrease in pain from a placebo, certain compounds, called endorphins, are...