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A new study suggests a potential solution for lowering depression risk among older women: the Mediterranean diet.

The study published in the British Journal of Nutrition, which examined the dietary habits of 798 individuals aged 65-97, shed light on the significant link between adherence to this dietary pattern and a reduced likelihood of experiencing depressive symptoms.

Depression poses a significant public health concern, particularly among older adults, with women being disproportionately affected.

According to the World Health Organization, depression is 50% more common among women over the age of 60 than men.

However, the findings of the study offer a glimmer of hope, as it shows a promising avenue for mitigating depression risk through dietary interventions.

Led by researchers from the Italian NutBrain study, the investigation focused on the dietary patterns and mental health outcomes of participants.

Using the Mediterranean diet score (MDS) to assess adherence to this dietary pattern, researchers observed a striking correlation between adherence to the Mediterranean diet and reduced depression risk among women.

Participants who closely adhered to the Mediterranean diet exhibited a remarkable 60% lower likelihood of experiencing depressive symptoms than those who didn't.

Notably, this protective effect was not observed in men, suggesting a potential gender-specific association between diet and mental health outcomes.

Delving deeper into dietary components, the study revealed intriguing insights into the role of specific foods in mitigating depression risk.

Consumption of fish, rich in omega-3 fatty acids, emerged as a key factor associated with a reduced likelihood of depressive symptoms, particularly among women.

Similarly, the inclusion of monounsaturated fatty acids, found in foods such as olive oil and nuts, was linked to a significant reduction in depression risk among women.

Experts not involved in the study pointed out the potential mechanisms underlying the findings.

Registered dietitian Michelle Routhenstein said the anti-inflammatory properties of omega-3 fatty acids and monounsaturated fatty acids, which may support brain health and neurotransmitter modulation, ultimately reduce the risk of depression.

"Fish, rich in omega-3 fatty acids, and monounsaturated fatty acids found in the Mediterranean diet possess anti-inflammatory properties and support brain health. They potentially reduce the risk of depression through neurotransmitter modulation and neuroprotection," Routhenstein explained, according to Medical News Today.

Registered dietitian nutritionist Kristin Kirkpatrick echoed the sentiments, noting the diverse array of nutrients present in the Mediterranean diet that contribute to improved mental well-being.

From polyphenols and flavonoids to fiber-rich fruits and vegetables, the Mediterranean diet offers a holistic approach to mental health maintenance.

The experts said advocating for the adoption of a Mediterranean diet may offer a simple yet powerful strategy for promoting mental well-being, particularly among older women vulnerable to depression.