As you know one of the biggest binges of the year, St. Patrick’s Day, is right around the corner, so here’s a video that gives people a little insight into the causes of the painful morning after a night of heavy drinking. There’s a lot of chemistry at play when drinking booze, whether it be the chemical breakdown of alcohol in the liver or other lesser known chemicals in alcohol like congeners, causing allergic reactions in the body coupled with pounding headaches. Find out more in the video.