A new study finds restricting calories or eating low-fat may slightly reduce depressive symptoms, but researchers say the evidence is limited.
Following a low-fat or calorie-restricted diet may help reduce symptoms of depression, a new study finds. But researchers say the benefit appears small and the evidence is limited.
They reviewed 25 trials involving more than 57,000 adults who were given dietary advice as part of their treatment plan or told to follow their usual eating habits.
The researchers compared the long-term effects of different eating plans on depression, anxiety and quality of life – including calorie restriction, low-fat and Mediterranean style.
The results showed calorie restriction and low-fat eating may be associated with slight improvements in depression in adults with cardiometabolic risk factors such as obesity, high blood pressure, cholesterol and blood sugar, smoking and physical inactivity.
However, their effect on anxiety was uncertain. And the impact of the Mediterranean diet on depression, anxiety and quality of life was unclear.
The researchers say they have low confidence in the findings and recommend patients discuss any dietary changes with a health care professional before making changes.
Source: Annals of Internal Medicine
Author Affiliations: Bond University in Queensland
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