BAC

The more you drink, the more alcohol has an effect on you. Depending on your weight, gender, and height, a few drinks may be your legal limit.
Here, we have outlined how you feel as your blood alcohol concentration (BAC) continues to rise. 

BAC Level:        Effects:
0.02 - 0.03%    No loss of coordination, slight euphoria and loss of shyness.
                                    Depressant effects are not apparent.

0.04 - 0.06%    Feeling of well being, relaxation, lower inhibitions, sensation
                                    of warmth. Euphoria. Some minor impairment of reasoning
                                    and memory, lowering of caution.

0.07 - 0.09%    Slight impairment of balance, speech, vision, reaction time,
                                    and hearing. Euphoria. Judgment and self-control are
                                    reduced; and caution, reason, and memory are impaired.

0.10 - 0.125%   Significant impairment of motor coordination and loss of good
                                    judgment. Speech may be slurred; balance, vision, reaction
                                    time and hearing will be impaired. Euphoria.

0.13 - 0.15%    Gross motor impairment and lack of physical control. Blurred
                                    vision and major loss of balance. Euphoria is reduced, and
                                    dysphoria is beginning to appear.

0.16 - 0.20%    Dysphoria predominates; nausea may appear. The drinker has
                                    the appearance of a "sloppy drunk."

0.25%                     Needs assistance in walking; total mental confusion.
                                    Dysphoria with nausea and some vomiting.

0.30%                   Loss of consciousness.

0.40% and up    Onset of coma, possible death due to respiratory arrest.

Adapted from Drug Use in America Society, 2nd ed., 1988 by William J. Bailey (Minneapolis: Burgess Publishing Company). Used with permission.

Alcoholism Risk Factors
The presence of one of these risk factors is suggestive of an increased risk of alcoholism.

1. Family history of alcoholism or other drug abuse.
2. Heavy alcohol abuse for more than one year.
3. Drinking to intoxication before the age of 15.
4. More than two drinking incidents per year that result in serious adverse consequences, such as an arrest, fight, blackout, nausea, etc.
5. Consumption of tobacco in any form.
6. Seeking out events at which alcohol will be served.
7. Most of your friends are heavy drinkers.