The Hangover Part II "The Hangover 2" would begin in October 2010, for a May 26, 2011 release, following the same production schedule used for the first film. Also in July, Zach Galifianakis stated in an interview with "Latino Review" that the film will be set in Thailand, "Well, I think we're going to Thailand. The problem with "Hangover 2" is that we have to live up to what we did which is very difficult. So we get, I think, kind of kidnapped. It has nothing to do with the bachelor party. We're definitely not doing that again but we do end up in
Hangover research of alcohol hangover is growing rapidly. The Alcohol Hangover Research Group had its inaugural meeting in June 2010 as part of the Research Society on Alcoholism (RSA) 33rd Annual Scientific Meeting in San Antonio, Texas. In 2012, Éduc'alcool, a Quebec-based non-profit organization that aims to educate the public on the responsible use of alcohol, published a report noting hangovers have long-lasting effects that inhibit the drinker's capabilities a full 24 hours after heavy drinking. In 2012, Las Vegas based Hangover Heaven, a mobile hangover treatment clinic, opened along with its Hangover Research Institute, which studies the treatment of hangovers.