Supposedly, scientists in Finland have found a cure to a hangover. The worst part is that it’s been available this whole time. The drug is called L-cysteine, and its used to keep your hair, nails and all that healthy. Now, according to Bloomberg, scientists at the University of Helsinki and the University of Eastern Finland have tested it on many drunk patients and it seems to kill the nausea and headaches. So before you get blasted this weekend, this stuff is available at most vitamin stores.