Treating rebound headaches with early preventative meds best choice, study finds

(CNN)Your head is pounding yet again. You grab another round of pain meds, only to find they no longer work.

You may be suffering from a MOH -- a medication overuse headache -- brought on when the very medications you relied on for relief suddenly become the enemy.
Some 60 million people around the world suffer from headaches brought on by the overus