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Failing to properly diagnose and treat people with bipolar disorder is wasting billions of pounds a year in the UK, according to new data shared exclusively with the BBC.

The novel, released on 28 August, will reunite readers with Dolphin and Star, who spent their childhood dealing with their mother, Marigold's bipolar disorder.

TV chef and restauranteur Heston Blumenthal said he was back in the kitchen and "thinking more clearly" as he takes on an ambassadorial role with a charity following his bipolar disorder diagnosis.

He had been diagnosed with attention deficit hyperactivity disorder, bipolar disorder and drug-induced psychosis.

In the days leading up to the Super Bowl, Ye explained on a podcast that he had been misdiagnosed with bipolar disorder.