Ever wonder why you get pesky headaches, anyway? We explain the fascinating science behind headaches. Sponsored by Excedrin.

[protected-iframe id="c1e4220c25328d86620af84c2724664d-41469694-52977054" info="http://app.videostat.com/v2/iframe?p=92&playlist=575&width=493&height=400" width="493" height="400" frameborder="0" scrolling="no"] Tension-type headaches are your common, everyday headaches (they can feel like a giant rubber band squeezing your skull). Nearly everyone will have at least onetension-type headache at some point, and its estimated that up to 80 percent of adults experience them on an occasional basis. But whats really going on in our body when we get a headache like this? Well, lots of things. Find out the science behind headaches in this educational video. This article originally appeared as on Spry Living