Medical researchers are working on a cocaine vaccine to treat people hooked on the drug.
Finally, a drug that takes all the fun out of drugs! We hope someone develops a vaccine against pot brownies, because that last time we mistakenly ate four of them was really not fun.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.