Smart drugs advertised outside university exam halls
There are growing concerns about the number of people taking so-called smart drugs, or study drugs as they're sometimes known.
The Home Office says there is a review on the use of the tablets that can help people stay awake.
It comes as senior government health advisers say they're concerned about how smart drugs now being used.
Jack Rivlin, 24, is online editor of national student online paper The Tab.
He took smart drugs to study at university and says that a recent survey by his paper claimed almost one in five students admitted taking them.
The survey was self-selective so it's not a reflection of the UK student population as a whole.
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