Brain-boost drugs 'to be common'

Healthy people, including children, might one day take drugs to boost their intelligence, scientists predict.
The think-tank Foresight, outlined the scenario in an independent report looking at potential developments over the next 20 years.

Such "cognitive enhancers" could become as "common as coffee", they suggest.

Scientists did not rule out children taking exams facing drug tests, as sportsmen do, to see if any have taken 'performance enhancing substances'.

The report was compiled by 50 experts, who set out their predictions for the next two decades