clipped from: news.bbc.co.uk 
The UK has one of the worst reputations for binge drinking and underage sex but there are striking similarities between countries, a study found.
A third of 16 to 35-year-old men and 23% of women questioned said they drank to increase their chance of sex.
The study - of 1,341 young people in nine countries including the UK - is published in BMC Public Health.
 Despite the negative consequences, we found many are deliberately taking these substances to achieve quite specific sexual effects  Professor Mark Bellis |
Early use of alcohol and other drugs was closely linked to having sex under the age of 16 years, in all countries, especially in girls.
Almost half of participants in Vienna, Austria had drunk alcohol and had sex by the time they were 16 compared with 36% in Venice, Italy, 37% in Palma, Spain and 30% in Liverpool.