The traditional medical approach to diabetes is simply to manage it after it has been diagnosed. Because there isn't a cure, the emphasis is on keeping blood sugars as close to normal as possible -- usually with exercise and weight loss coupled with medication -- and dealing with complications as they arise.
Alcohol Affects Reaction Time. A delay in reaction time while under the influence of alcohol is one of the key reasons that it is dangerous to drive a vehicle after drinking. Alcohol impairs many cognitive functions, but until recently it was undetermined how the built-in control systems of the brain were affected by alcohol.
Though dehydration is a major factor, it's not the only one. Everyone has a unique physiological response to alcohol in terms of how it's broken down and eliminated by the body. And the way you metabolize alcohol can certainly have an effect on the onset, severity and duration of a hangover. Alcohol is metabolized in two stages: one group of enzymes break down ethanol -- the alcohol that you ingest -- into acetaldehyde.