article_snippet.sent: Memories of drunken escapades may make us blush, but now a computer can use similar facial flushes to recognise people who have had one drink too many.
article_snippet.sent: Red squares in these images of two drunk people reveal the areas which can be used to discriminate between drunk and sober most effectively .
article_snippet.sent: A sober participant's face is shown left, while the same participant's face is pictured right after he had been drinking. 
article_snippet.sent: A stock image illustrating drink driving is shown .
article_snippet.sent: Currently, breathalyzers (pictured) are used to measure alcohol content .