For her so-called Smiles trial, published in 2017, Jacka recruited 67 moderate to severely depressed people with unhealthy diets. Half received seven sessions with a clinical dietician while the others received “social support”, involving friendly conversation. After 12 weeks, one-third of those who had received nutritional support were in remission, compared with 8% of those who had had the social support. Scientifically speaking, says Jacka, “it was a pretty big difference”.
Source: Nutritional psychiatry: can you eat yourself happier? | Food | The Guardian