By Stephen Beech

Low-calorie diets can trigger depression , warns new research.

And men are particularly "vulnerable" to the negative effects of restrictive eating, according to the findings.

The study, published in BMJ Nutrition Prevention and Health , shows that following a low-calorie diet is linked to a heightened risk of depressive symptoms.

Scientists explained that a "healthy" diet rich in minimally processed foods, fresh fruits and vegetables, whole grains, nuts, seeds, lean proteins and fish is generally associated with a lower risk of depression .

But an "unhealthy diet" - dominated by ultra-processed foods, refined carbs, saturated fats, processed meats and sweets - is generally associated with a heightened risk.

However, people follow several different types of di

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