Fast food children ‘develop lower IQs’: Junk diet has a lasting effect, warn expert

The study, undertaken by an academic at Goldsmiths, University of London, found that parents with a higher socio-economic status reported that they gave their children meals prepared with fresh ingredients more often, which positively affected their IQ. Lower socio-economic status was linked to more children having fast food, which led to lower intelligence.
The Daily Mail (4 Oct)