New bipolar guideline sparks debate

The new diagnostic guidelines, to be introduced this month, will cause more confusion for medical professionals, according to Professor Gin Malhi of the University of Sydney.

Writing in one of a series of papers published in The Lancet today, Professor Malhi said the new DSM-5 diagnostic guidelines would further obscure the boundary between major depression and bipolar disorder.

"DSM-5 has moved the goalposts. My concern is diagnosis is going to become more complicated,