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One too many

Question

In simple terms, how much alcohol can you drink before you're considered to be over the limit for driving? For example, how many glasses of wine, spirits or beer can you drink?

Answer

It can be really confusing trying to work out whether you're over the limit with your drinking. Alcohol is measured in units. One unit equals 10mg of alcohol. This is the amount of alcohol contained in a small glass of wine, a single pub measure of spirits or half a pint of beer.

If you have more than 80mg of alcohol per 100ml of blood, or 35mg of alcohol per 100ml of breath, you're over the limit for driving in the UK. This amount is roughly equivalent to two pints of regular strength lager. But remember, the drink-driving limit can't easily be translated into units because alcohol has a different effect on people according to their metabolism, weight, gender and how much they've had to eat. Because of this, two pints might affect one person more than another.

It's not a good idea to drink up to the limit just because you think you'll still be OK to drive - you don't need to be a drunk driver to be a danger on the roads. It's always better to avoid drinking altogether if you're planning to drive.

You might find it helpful to check out your units to see how much you drink in a week. Also, if you have concerns about alcohol you could contact Frank on 0800 77 66 00 for free advice and information.

Updated: 06/06/2011


Question answered by Addaction


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