What does cheap alcohol do to you?
What does cheap alcohol do to you? With that said, low-quality spirits certainly do not help matters and can definitely lead to more severe hangovers than their top-shelf counterparts. With more impurities (mainly congeners and trace alcohols), low-quality spirits will act as more of a toxic/poison that most people are unable to metabolise quickly.
What alcohol gives you the worst hangover?
Dark drinks, like red wine and bourbon, have more congeners than light ones and there are several studies to show that for a given level of blood alcohol, dark drinks produce worse hangovers. But outside of the laboratory, the worst hangover will come from whatever causes you to drink the most.