Re:What Produces The Worst Hangover?
The science of hangovers is rather complicated, but two things affect the severity of them the most.
The first are congeners, a chemical produced in fermentation. They are basically impurities in the product. Red wine and darker alcohol contain more of them, and the more you drink, the worse the hangover. That's why aged and filtered alcohol gives you less of a hangover. The other hangover enhancer is sugar. The more sugar the worse the hangover. For example, cheap fortified wines, sugary alcohol and sugary mixed drinks. For the less of a hangover, drink high quality alcohol, straight up.