Before she showed up at Duke's Morreene Road Pain Clinic last year, Christy Anderson had suffered through intense migraines for more than three decades. They hunkered down in her forehead for days at a time, making her feel as if someone had planted a suction machine behind her eyebrows. During the worst attacks, all the forty-six-year-old Anderson could do was lie in the dark, motionless, hoping not to throw up. Raising her two children became an exhausting burden.