When you drink alcohol, it goes into your stomach and small intestine. It gets absorbed into your blood, which carries it through your body and into your brain and lungs. You exhale it when you ...

Alcohol breath tests, commonly called breathalyzers, measure blood alcohol content (BAC). The more intoxicated a person is, the higher their BAC. This test is often used by law enforcement to ...

An alcohol urine test involves a lab testing a person’s urine sample for the presence of alcohol. Three types of this test exist. One measures unmetabolized alcohol, while the others measure two of ...