Influence of Diet and Nutrition on Depressive Disorder

Depression is characterized by persistent sadness and lack of interest or pleasure in previously rewarding or enjoyable activities, which can also disrupt sleep and appetite and lead to fatigue and poor concentration. As a common mental disorder, it has become the leading cause of disability around the world, affecting more than 264 million people. Because the effects of depression can be long-lasting or recurrent and can dramatically affect a person's ability to function and lead a fulfilling life, the global burden of depression is now a major public health concern. Therefore, identifying modifiable risk factors for depression is an important and urgent research mission. Recently, the relationship between diet and depressive disorders has been of increasing interest in both observational and clinical studies. However, there are important limitations to studying individual nutrients in relation to the disorder because of the complexity of combinations and interactions among nutrients in an individual's daily diet.

The aim of this Research Topic is to investigate and understand the relationship between depression and diet within the context of nutritional epidemiology, using dietary assessment methods, nutritional analyzes, analyzes of dietary patterns or the development of new biomarkers. The aim is to shed light on the role of diet and nutrition in the prevention and treatment of depression.

In particular, we welcome Systematic Reviews, Meta-analyzes and Original Research Articles that focus on, but are not limited to, the following concepts:
- Associations between nutrient intake (e.g., vitamins, fatty acids, polyphenols, etc.) and depression
- Associations between food intake (e.g., vegetables and fruits, fish, nuts, etc.) and depression
- Associations between dietary patterns/quality/habits and depression
- Interactions between diet and genes/intestinal microbiota on depression risk.