Keeping these statistics in mind as well as looking at the various consequences, the laws have become stricter such as the legal BAC, i.e., blood alcohol content, has been reduced to .08 from .10 percent in all states of America for adults. As for those under 21, even a trace of alcohol in the blood while driving is considered illegal. Offenders, i.e., those who are found guilty of crossing these stipulated legal limits have to suffer from a number of effects.