Read the full Physorg.com article, “Caffeine doesn’t reverse the negative cognitive impact of alcohol, study shows.” Posted 12/7/09.

According to this study, the caffeine in coffee may make you more alert, but it also may give you a false sense of sobriety. When you haven’t had that caffeine, you are more likely to realize how tired or drunk you are. So, don’t count on coffee to negate all those beers you had.