A hangover is the experience of different unpleasant physical and psychological effects after the consumption of alcohol. In simple words, when we consume alcohol, we experience hangover the next morning irrespective to other effects of alcohol. In this article we shall learn about how does hangover happen and how can we prevent a hangover. Firstly, the easiest and one of the most familiar reason is that drinking alcohol will cause dehydration, both because it acts as a diuretic, increasing urine production, and because people who are drinking alcohol for couple of hours are probably avoiding drinking water. Another belief is that, hangover is driven by alcohol interfering with your body's natural balance of chemicals in a more complex way. In this case effects of hangover are seen as the sings from our body trying to tell us that something is wrong or it is in need of medication. It is also belief that hangovers are also be driven by the way in which alcohol disturbs your im