Eating before and while drinking will slow down the absorption of alcohol, so it will lower the peak blood alcohol concentration.

Didymium Oxide in Perchloric Acid

Without food to slow the absorption, the peak blood alcohol concentration is reached more quickly, and can also be a bit higher, as well.

Without food to slow the absorption, the peak blood alcohol concentration is reached more quickly, and can also be a bit higher, as well.

Actually, it's a combination of Aphova and Hellen's answers. Every medicine has its individual peak absorption time and peak plasma concentration time. This may be impacted by whether the stomach was empty or full when the medicine was swal...