Most people know what a nasty hangover feels like. And it turns out if you smoke and drink, you may suffer more the morning after.
That's according to a new study by researchers at Brown University.
They followed the smoking and drinking habits of more than a hundred college students.
Those who drank heavily and smoked during the same day were more likely to have a hangover the next morning.
And the symptoms were worse if students smoked the morning after drinking too.