Trial and error is one of the most common and easiest ways to learn something new. The folks at Vocativ applied this method to learning the best way to cure a hangover. The results were definitive and threefold: don’t drink five days in a row, the best cure for a hangover is an IV treatment, and this video is gross. Watch at your own peril.
If you’re interested in learning what causes a hangover (besides drinking too much), check out this post.