The global pain killer industry generates $ 50 billion in revenue per year. And this is despite the fact that people with chronic pain, ordinary medications do little to help, and drugs can be very addictive.
A review recently published in the Journal of General Internal Medicine showed that researchers still do not know how to determine the most effective treatment for pain in each case. And in the knowledge base, from drugs to surgery, there are many gaps regarding the phenomenon of pain.
So what is pain? Continue reading