interesanti
"In high doses, alcohol impairs our reaction times, muscle control, co-ordination, short-term memory, perceptual field, cognitive abilities and ability to speak clearly. But it does not cause us selectively to break specific social rules.
...
the experiments show that when people think they are drinking alcohol, they behave according to their cultural beliefs about the behavioural effects of alcohol."

http://www.bbc.co.uk/news/magazine-15265317