What can a driver NOT do to lessen the effects of alcohol after it has entered their blood?

Once alcohol has entered the bloodstream, there is nothing that can effectively reduce its effects. The human liver metabolizes alcohol at a consistent rate, and no external actions—such as taking a cold shower, drinking coffee, or engaging in physical exercise—can speed up this process.

Taking a cold shower might provide a temporary feeling of alertness, but it does not alter the blood alcohol concentration or hasten the elimination of alcohol from the system. Similarly, drinking coffee may create a false sense of sobriety due to its stimulating effects, but it does not reduce the level of alcohol impairment. Physical exercise may improve overall health and alertness, but it also has no impact on how quickly alcohol is metabolized.

Understanding this is crucial for drivers, as relying on these misleading methods can lead to impaired driving decisions and increased risk of accidents. Always allowing sufficient time for the body to metabolize the alcohol is the only safe way to lessen its effects.