Drunk driving is the act of operating a motor vehicle while the operator's ability to do so impaired as a result of alcohol consumption, or with a blood alcohol level in excess of the legal limit. For drivers 21 years or older, driving with a blood alcohol concentration (BAC) of 0.08% or higher is illegal.
Our pupils dilate when we are seeing something stimulating or we are in low light. If we are aroused our pupils dilate in order to take in more of our pleasing surroundings. Often during courtship pupils stay dilated. You can tell when someone is aroused by looking closely at their pupils in constant surrounding light.
Normal pupils get smaller, or constrict, with bright light levels, and enlarge, or dilate, with low or dim light. Changes in pupil size also occur with focusing your eyes and in response to emotion. Pupil dilation can also result from a variety medications or drugs. Eye care professionals often take advantage of eye drops that cause pupil dilation so they can get a better look at the back of the eye during an eye exam. In most other circumstances, pupil dilation from medications or drugs is considered a side effect.