I'm a doctor and a pain specialist. For over 25 years, I've worked inside the health care system treating pain and following guidelines. And yet again and again, I've seen capable, motivated people lose something medicine never warned them about.Not the years of life, the years of strength. My mom once told me something that I'll never forget. She said, "I'm not afraid of dying. I'm afraid of not being strong enough to get up from my chair." Not dying, standing up.Moms have a way of seeing further down the ...