We get it: Sometimes you need a stiff drink. But before you belly up to the bar, keep in mind that boozing it up may undo that hard work you put in at the gym. Research reveals that alcohol can interfere with your muscle growth, as well as slow your post-exercise recovery process.

Plus, when young people drink with a large party of friends, they consume more alcoholic beverages per hour (as opposed to drinking with someone one-on-one), according to research published in the journal Addiction.

Men average about 2.5 drinks per hour between 11PM and midnight on Saturdays, while women average 1.9. So how can you enjoy that bourbon or brew—without contributing to a beer belly? Get the facts on how booze can impact your build.