Learn How to Separate the Myths from the Facts Misconceptions about alcohol and its effects on safe driving are widespread. Knowing the truth may mean the difference between life and death. It acts on the central nervous system like an anesthetic to lower or depress the activity of your brain. It just makes you a nervous, wake-awake drunk. Only time reverses impairment.
Beer has the same effect as straight scotch.
Impairment in motor reflexes and judgement can begin with the first drink. You gain nothing by rolling down a window or turning on the air conditioner. This can be very dangerous. The truth is, impaired drivers are unsafe at any speed. You can even take a cold shower.