Nearly impossible to measure, quantify, convey, pain is a truly mysterious human sensation. For the last 25 years in my life as a neurosurgeon, I have seen a lot of pain and suffering firsthand, so much of it chronic, persistent and difficult to treat. That is why I spent the past three years digging deep into the complexities of pain, its relationship to the brain and strategies to combat it that you have probably never considered. For most of us, pain will be a reality at some point in our lives, but I am more convinced than ever that “ It Doesn’t Have to Hurt ,” which is the title of my new book, releasing on September 2. I am delighted to share a selection below. Then, on September 7, watch CNN at 8 p.m. ET to witness incredible cutting-edge innovations in pain relief in my new d

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