THE next time you hear someone blaming “beer goggles” for their behaviour, you may have to believe them. People really do appear more attractive when our perceptions are changed by drinking alcohol.

There have been few previous attempts to investigate the idea that people seem to find others more attractive when drunk. In 2003, psychologists at the University of Glasgow, UK, published a study in which they asked heterosexual students in campus bars and cafés whether they had been drinking, and then got them to rate photos of people for attractiveness. While the results supported the beer goggles theory, …