Dr. Maire Finn joined Claire Byrne on RTÉ Radio 1 to discuss the pain of migraines, how to treat them, and how to prevent them. Listen back above.

It's not only caused by needing corrective lenses. Leading eye doctors share which conditions—big and small—can cause blurry ...

Approximately 39 million people in the U.S. have migraine and up to 1 million have cluster headache, Amneal noted. There are limited treatment options for cluster headache.