Smart drugs don’t make people smarter

The psychostimulant Modavigil is commonly used by students to boost their ability to study and improve their chances of exam success.

But research shows bright students could find their performance impaired by the drug.

“Our study backs up previous research that suggests psychostimulants improve people at the lower end of the spectrum in cognition whereas they impair people who are at the optimum level of cognitive function,” says