There has always been speculation that there is a link between genius and madness, but until now little solid evidence has been exhibited.
A study of over 700,000 adults showed that A grade achievers were four times more likely to develop a mental illness than those who achieved average grades. These findings were most common among those who studied music or literature, the two areas in which genius is often linked to madness in historical records.
Bi polar disorder currently affects around 1 per cent of the population and is defined by a series of mood swings ranging from elation (mania) to extreme depression.
The findings of the study are published in the British...