Originally posted by Dingy: Anyway, a hangover is caused by your bodies reaction to the aldhydes formed by your liver as it attempts to detoxify the ethanol. The detoxification is a multistep process and the aldehyde is just a precursor to the final detoxification of the alchohol. Oxygen helps since the oxygen is used in the detoxification process....more O2 means more efficient detoxification.After reading this I may never drink again!! ------------------NHFoxtro -XO-NightHawks NightHawks "WE BAD" [This message has been edited by NHFoxtro (edited 12-08-2000).]