Chronic Migraine-Impact on Quality of Life SHARE RATE★★★★★ Results for those with chronic migraine were notably worse than those with less than 15 headache days per month. Next Sign up for emails from Migraine.com: Thanks! You're all set! Good news - you're already subscribed! Need help? Let us know at contact@Migraine.com. Something's not right... Try again or let us know at contact@Migraine.com.