Verified treatment outcome for Migraines at Family Greatness Chiropractic in Greenville, PA.80% reduction in migraine frequency and intensity achieved over 3 visits (complete resolution in 4 months). Diagnosis: G43.909 (Migraine, unspecified, not intractable, without status migrainosus). Patient experience: Patient experienced significant reduction in migraine frequency and intensity after just 3 visits using the Zone Technique, with complete resolution achieved within 4 months of care..