what factors influence blood alcohol concentration? What level is considered safe for driving? What level is considered unsafe?
BAC levels are affected by many factors, including:
•How fast you drink. Alcohol consumed quickly will result in a higher BAC than when consumed over a long period of time.
•Gender. [ Women generally have less water and more body fat per pound of body weight than men. Alcohol does not go into fat cells as easily as other cells, so more alcohol remains in the blood of women.
•Body weight. The
more you weigh, the more water is present in your body. This water dilutes the alcohol and lowers the BAC.
•Amount of food in your stomach. Absorption is slowed if you’ve had something to eat. With a BAC of 0.05, an individual’s vision may already be affected in terms of sensitivity to brightness, the ability to determine colours, and depth and motion perception. The brain’s ability to perform simple motor functions is diminished. This means that a driver’s reaction time will be slower and responses will be less accurate. The result is degraded driving performance and a significant increase in collision risk. ]
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