Benjamin Zand undergoing cognitive test
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BBC reporter undergoes 'smart drug' test

BBC reporter Benjamin Zand has taken the 'smart drug' modafinil as an experiment, to explore claims that it can make those using it work more effectively.

Modafinil has been labelled the "world's first safe smart drug" after a study by researchers at Harvard and Oxford universities suggested its effects were "low risk" when taken in the short term. But side-effects can include insomnia, headaches and potentially dangerous skin rashes - and there is a considerable lack of data on its long-term effects.

To understand how it can potentially benefit users, Zand undergoes cognitive tests - before and after taking the smart drug. The results are not conclusive, as there were a number of other factors that could have affected them.

The Victoria Derbyshire programme is broadcast on weekdays between 09:15 and 11:00 on BBC Two and the BBC News channel.

  • 05 Jan 2016