A new survey showed that most people did not know when they to had stop drinking if they wanted to drive.  Statistics show that 80% of people are unaware of the drink-driving limit.  At first we suspected that young men would be the most ignorant, but it appears they are more likely to know the limit than women.  However, men are still twice as likely as women to drink and drive.  Over all 1/10 people in the U.K admit to drinking and driving.  But it is far more common in young people - about one in five.