Could a keto diet help treat bipolar depression?

Claudia Hammond explores intriguing early evidence that a ketogenic diet - high fat, low carbs - might help treat bipolar depression. We already know this diet can help with some kinds of epilepsy. But now, after a promising pilot study, the Wellcome trust is funding a £7.9 million trial to look at whether it could also help reduce depression in people living with bipolar disorder. Professor…