Over 90% of headaches come from issues in the neck. It can be from one segment causing nerve interference or a larger structural problem with the entire cervical spine causing massive nerve compression. The fastest way to get rid of a headache is to get your nervous system and spine checked by a corrective chiropractor.
Here’s a video to help you find the best possible chiropractor in your area:
I’ve done several videos on Headaches, here are a few if you’d like to learn more about the causes and solutions: