Måske endnu en politisk ukorrekt undersøgelse, men den skulle være god nok. Rygere har lavere IQ end dem der ikke ryger jf. en stor undersøgelse i den israelske hær.
The smokers had significantly lower intelligence test scores than non-smokers, and this remained true even after the researchers accounted for socioeconomic status as measured by how many years of formal education a recruit's father had completed.
Det er dog ikke rygningen der gør at intelligensen er lavere, men den lavere intelligens der gør at de ryger:
The findings suggest that lower IQ individuals are more likely to choose to smoke, rather than that smoking makes people less intelligent, Weiser and his team conclude.
The smokers had significantly lower intelligence test scores than non-smokers, and this remained true even after the researchers accounted for socioeconomic status as measured by how many years of formal education a recruit's father had completed.
Det er dog ikke rygningen der gør at intelligensen er lavere, men den lavere intelligens der gør at de ryger:
The findings suggest that lower IQ individuals are more likely to choose to smoke, rather than that smoking makes people less intelligent, Weiser and his team conclude.