Blood Alcohol Content: A Standard Measurement for Law Enforcement in DUI Investigations What is Blood Alcohol Content? Alcohol gets absorbed into our blood through our intestines and stomach lining. BAC is a measurement of how much alcohol has passed through and is now flowing in the blood throughout our entire body. A Breathalyzer test is often used by law enforcement and is considered a standard tool to measure BAC; it is considered accurate enough to be allowed into evidence into a court of law. Every 45 minutes, someone in the United States is killed from an alcohol-related automobile accident.  Blood Alcohol Concentration (BAC) Typical Effects Predictable Effects on Driving .02% Some loss of judgment Relaxation Slight body warmth Altered mood Decline in visual functions (rapid tracking of a moving target) Decline in ability to perform two tasks at the same time (divided attention) .05% Exaggerated behavior May have loss of small-muscle control (e.g., focusing your eyes) Impaired judgment Usually good feeling Lowered alertness Release of inhibition Reduced coordination Reduced ability to track moving objects Difficulty steering Reduced response to emergency driving situations .08% Muscle coordination becomes poor… Read More