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Women with high IQs are far more likely to take cannabis, cocaine and ecstasy in their thirties, a study has found. Researchers think they are more open to new experiences so are more willing to experiment with illegal substances. The study by Dr James White from Cardiff University found that women with higher than average IQ scores were twice as likely to have taken drugs such as cannabis, cocaine, ecstasy and amphetamines in their thirties as those with lower scores. Dr White looked at the records of 8,000 people dating back to the 1970s who had all had their IQ measured at the ages of five and ten. | 
