3. How Much Alcohol Causes a Hangover?
Medically, the condition is called "veisalgia" -- from the Norwegian kveis or "uneasiness following debauchery," and the Greek algia, otherwise known as "pain."
But you probably just call it a hangover.
The helpful PR coordinators at the American College of Physicians resent information about a review, published back in 2000, titled simply The Alcohol Hangover.