> The ‘natural experiment’ of cross-cultural study finds levels of variance which rule out any direct causal effects of alcohol on behaviour. We have already noted that in some societies drunken aggression and belligerence are commonplace, while in others the same doses of ethanol result in quite opposite behaviour, characterised by calmness, passivity and good humour. [1]
> The ‘natural experiment’ of cross-cultural study finds levels of variance which rule out any direct causal effects of alcohol on behaviour. We have already noted that in some societies drunken aggression and belligerence are commonplace, while in others the same doses of ethanol result in quite opposite behaviour, characterised by calmness, passivity and good humour. [1]
[1] http://www.sirc.org/publik/drinking4.html
[2] http://www.ncbi.nlm.nih.gov/pubmed/9273914